Add 3.x legacy documentation

docs/3.x/_sources/Coding/Coding-Overview.md.txt

@@ -0,0 +1,33 @@
+# Coding and development help
+
+This documentation aims to help you set up a sane development environment to
+make your game, also if you never coded before.
+
+See also the [Beginner Tutorial](../Howtos/Beginner-Tutorial/Beginner-Tutorial-Overview.md).
+
+```{toctree}
+:maxdepth: 2
+
+Evennia-Code-Style.md
+Default-Command-Syntax.md
+Version-Control.md
+Debugging.md
+Unit-Testing.md
+Profiling.md
+Continuous-Integration.md
+Setting-up-PyCharm.md
+```
+
+## Evennia Changelog
+
+```{toctree}
+:maxdepth: 2
+
+Changelog.md
+```
+
+
+```{toctree}
+:hidden:
+Release-Notes-1.0
+```