Adds a home oven baking example (#217)

book/baking/baking.tex

@@ -115,6 +115,13 @@ bread as a source for a new starter.}.
 
 \section{The role of steam}
 
+\begin{figure}[!htb]
+  \includegraphics[width=\textwidth]{oven-example}
+  \caption[Home oven baking example to maximize steam]{My default home oven setup. The tray of rocks
+  and tray on top of the rolls greatly improve the steaming capabilities. This way the bread can
+  rise more during the initial stage of the baking process.}
+\end{figure}
+
 Steam is essential when baking as it helps to counter premature
 crust building. During the first stage of the bake, the dough
 increases in size. The water in your dough evaporates and pushes