Moving images and static folders

Images now included relative to the `docs/source` folder instead of the rst file.
Also makes sure to add the updated `yosyshq.css` (which as a sidenote has ended up as `custom.css` in most of the other docs).

docs/source/_images/011/example_out.tex

@@ -0,0 +1,18 @@
+\documentclass[12pt,tikz]{standalone}
+\pdfinfoomitdate 1
+\pdfsuppressptexinfo 1
+\pdftrailerid{}
+\usepackage[utf8]{inputenc}
+\usepackage{tikz}
+\pagestyle{empty}
+
+\begin{document}
+\begin{tikzpicture}
+	\node[inner sep=0pt] at (0,0)
+		{\includegraphics[width=\linewidth]{example_00.pdf}};
+	\node[inner sep=0pt] at (0,-3.8)
+		{\includegraphics[width=\linewidth]{example_01.pdf}};
+	\node[inner sep=0pt] at (0,-7)
+		{\includegraphics[width=\linewidth]{example_02.pdf}};
+\end{tikzpicture}
+\end{document}