Update README.md

Complete doc building.

Author: clauspruefer

doc/README.md

@@ -0,0 +1,31 @@
+# Documentation (Sphinx)
+
+# 1. Dependencies
+
+# 1.1. Sphinx Basic HTML / RTD Theme
+ 
+```bash
+# apt-get install python3-sphinx python3-sphinx-rtd-theme
+```
+
+# 1.2. PDF / Latex
+
+```bash
+# apt-get install texlive-full
+```
+
+# 2. Build
+
+# 2.1. HTML Documentation
+
+```bash
+# make html
+# cd ./build/html/
+```
+
+# 2.2. PDF / Latex
+
+```bash
+# make latexpdf
+# cd ./build/latex/
+```