Restructure preface into logical paragraphs (#192)

Plus some very small changes in the text

book/book.tex

@@ -16,10 +16,8 @@
 % \tableofcontents
 \ifdefined\HCode\else\tableofcontents\fi
 
-\chapter{Foreword}
 \input{intro/foreword}
 
-\chapter{Preface}
 \input{intro/preface}
 
 \chapter{Acknowledgements}

book/intro/foreword.tex

@@ -1,2 +1,4 @@
+\chapter{Foreword}%
+\label{ch:Foreword}
 Hopefully one day there is going to be an awesome foreword
-by another bread baker!
+by another bread baker!

book/intro/preface.tex

@@ -1,3 +1,6 @@
+\chapter{Preface}%
+\label{ch:Preface}
+
 If there is one food Germany is known for, it is probably bread.
 There are thousands of varieties in Germany,
 and making it has been an integral part of our culture.
@@ -9,7 +12,7 @@ Being a bit more experienced, I~now realize it's
 ideal to wait a little while before cutting into your bread, but back then,
 we kids couldn't wait. Mom would cut for us a few slices straight from the oven, and we would
 immediately proceed to pour butter or jam on each slice. Within minutes,
-\qty{1}{\kg} of flour would be consumed. Bread became an integral part of my
+one kilogram of flour would be consumed. Bread became an integral part of my
 weekly food.
 
 I~was lucky that my parents could afford a yearly ski trip to
@@ -32,18 +35,18 @@ to get close to the experience we had while on vacation.
 
 Some years passed, and I~eventually began my studies in the small German city of Göttingen.
 For the first time, I~was faced with shopping for my own bread. It was never
-on my mind to actually start baking it for myself. I~would just buy 
+on my mind to actually start baking it for myself. I~would just buy
 a good loaf while shopping at the supermarket. My favorite variety
 was a \emph{Schwarzbrot: Korn an Korn}. It’s a very dark and hearty rye bread
-with added berries and sunflower seeds. Being a little naïve,
-I'd never before examined the packaging of what I~was buying. One day, that
-changed.
+with added berries and sunflower seeds.
 
-I~looked at the label and was shocked. The seemingly
+Being a little naïve, I'd never before examined the packaging of what I~was
+buying. One day, that changed.  I~looked at the label and was shocked. The
+seemingly
 healthy bread consisted of so many other things aside from flour and water.
 The black color was not coming from the flour, but from caramelized sugar.
 The packaging stated it was a sourdough bread, but then why was there additional yeast?
-I~thought that if it was really sourdough, it shouldn't require additional yeast, and I~soon 
+I~thought that if it was really sourdough, it shouldn't require additional yeast, and I~soon
 realized that something was wrong with the bread I~was buying.
 I~proceeded to check the other supermarket breads, only to discover that they, too,
 contained ingredients I'd never heard of. That was the day I~lost trust
@@ -54,11 +57,11 @@ I~learned that the recipes for making pizza and bread were actually quite simila
 there were also differences. For example, some recipes would call for fresh yeast, while
 others would call for dry. Diving deep into various online forums and all their many
 discussions, I~became even more confused.
-
 I~tried using different flours and different brands, all in both organic and non-organic varieties.
 I~realized then that I~knew nothing about making bread. Recipes would often contradict each other,
 leaving me further confused. They seemed like little more than a collection of apparently random
-steps to follow. The baking instructions and temperatures were all different, too.
+steps to follow. The baking instructions and temperatures too were all
+different\dots
 
 Meanwhile, having completed my studies, I~started work as an engineer.
 We engineers are faced with many challenges. The compiler or runtime is
@@ -72,7 +75,6 @@ This pre-written code is commonly known as \emph{a framework}. In many cases,
 these frameworks are not built by a single person but by engineers from all around the world,
 each of whom can help by improving and changing the source code. Frameworks have made many successful
 businesses possible.
-
 In most cases, frameworks do exactly what they claim they do. However,
 sometimes you are faced with issues you don't understand. In \qty{99.95}{\percent}
 of all software bugs, the developer is the issue. Sometimes, however, the framework has a
@@ -89,11 +91,10 @@ should I~slap my dough while kneading it on the counter? Why is a standmixer
 better than kneading by hand? Why should I~let the dough sit for this long?
 Why is steaming the dough during baking important? Do I~really need to
 get myself an expensive Dutch oven to bake bread?
-
 The problem compounded when I~started reading about sourdough. It all sounded like black
 magic. Why were some sourdoughs made from fruits, while others were made from flour?
 Why should one recipe use wheat while another used rye or spelt? How often should the
-sourdough be fed? The questions I~had then could have filled 20 pages. I~was confused,
+sourdough be fed? The questions I~had then could have filled 20~pages. I~was confused,
 but I~became even more determined to learn how decent bread should be made at home.
 
 The feedback I~received from friends helped me to improve with each
@@ -108,8 +109,7 @@ I~continued learning about the process of fermentation and various techniques of
 I~approached the topic of sourdough in a manner similar to software, and after years of
 researching and documenting my progress, I~decided it was time to share that progress with the
 world.
-
-When working on open source projects, it is important to see their history and how the source
+When working on software projects, it is important to see their history and how the source
 code changes over time. This way, you can easily jump back to previous versions. This was
 the perfect tool for documenting my recipes, because they, too, would change with each
 subsequent iteration. Much to my surprise, my open source work on sourdough was appreciated
@@ -119,10 +119,9 @@ share open source software.
 Now, when baking great bread, you also need to learn certain techniques. I~figured it would be
 easier to share these techniques in video form. Thus, my YouTube channel was born. I~chose
 the name \texttt{The Bread Code} to capture my engineering-oriented approach to bread. It took some
-time to get right, but after choosing more engaging thumbnails and titles for
+time to get it right, but after choosing more engaging thumbnails and titles for
 the videos I~made, the channel started gaining viewers.
-
-Now, three years later, I~dedicate two days each week to follow my bread baking passion, while
+Finally, three years later, I~dedicate two days each week to follow my bread baking passion, while
 the other three days I~continue to work as a software engineer, writing code on a day-to-day
 basis.
 
@@ -134,7 +133,7 @@ scratching the surface with what I~know and teach. Would you ever have imagined
 flies are like bees and are part of the wild yeast's success story? I~made a video where
 I~tried to cultivate wild yeast spores coming from fruit flies in order
 to bake bread. It worked; the bread turned out amazingly well and even tasted good! These kinds of
-experiments spark my natural interest. Conducting them and seeing how other people share in my
+experiments spark my natural interest. Conducting them and seeing how other people share my
 interest makes me incredibly happy.
 
 The problem with running a YouTube channel is that all the information
@@ -156,13 +155,11 @@ German. After discussions with members of the community, I~figured that writing
 help me achieve that goal. Most of the books that exist today are collections of recipes. My
 idea, however, is to provide you with a deeper foundation of knowledge that you can use to
 follow other recipes.
-
 In software terms, this would be a \emph{bread framework}.
 
 It is my goal for this book to help everyone facing issues with flour, fermentation, baking,
 and more. It should provide a detailed understanding as to why certain steps are necessary
 and how to adapt them when things go wrong while making bread.
-
 It is my desire for this knowledge to be accessible to everyone around the world, regardless
 of budget, and as such, I~do not want to charge for the book. That's why I've decided to make
 it open source and have asked the community to support my work financially via my ko-fi page