Screen Readers (#53)

* add tikzcache

* ignore files

* add latexmkrc file

* Move figures to new files

* rename images

* Fix build commands

* Release as epub3 and mobi

* Add cover-image support

* use older epub

* Externalize all tables

* change gh actions command

* fix linux xargs rm

book/tables/table-bakers-math-example.tex

@@ -0,0 +1,12 @@
+\input{./vars}
+
+\begin{document}
+\begin{tabular}{|l|r|r|}
+\hline
+\textbf{Ingredient}    & \multicolumn{1}{l|}{\textbf{Percent}} & \multicolumn{1}{l|}{\textbf{Calculation}}  \\ \hline
+1000g flour            & 100\%                                     & 1000g of 1000g = 100\%                     \\ \hline
+600g water             & 60\%                                      & 600g of 1000g = 60\%                       \\ \hline
+100g sourdough starter & 10\%                                      & 100g of 1000g = 10\%                       \\ \hline
+20g salt               & 2\%                                       & 20g of 1000g = 2\%                         \\ \hline
+\end{tabular}
+\end{document}