feat: clickable toc in pdf

Author: DahlitzFlorian

.gitignore

@@ -25,5 +25,6 @@ build.sh
 *.fdb_latexmk
 *.fls
 *.log
+*.out
 *.synctex.gz
 *.toc

ebook/python-snippets.epub

@@ -30,6 +30,15 @@
     showstringspaces=false            % 
 }
 
+\usepackage{hyperref}
+\hypersetup{
+    colorlinks,
+    citecolor=black,
+    filecolor=black,
+    linkcolor=black,
+    urlcolor=black
+}
+
 \setcounter{tocdepth}{5}
 \setcounter{secnumdepth}{5}