Use common markdown syntax for formatting headers (#107)

in main README

README.md

@@ -1,5 +1,4 @@
-NorthstarDocs
-====================================
+# NorthstarDocs
 
 This repo contains documentation and guides on most things you need to know about using and creating mods for Northstar.
 
@@ -11,8 +10,7 @@ Especially the technical documentation is not done yet and might be incorrect or
 
 If you have some knowledge to share, but don't want to write a PR, you can make an issue explaining what you know and we can try to integrate that into the docs.
 
-Contributing
-------------
+## Contributing
 
 The only prerequisites are python and pip. On Linux simply run `run.sh` in the root dir and in windows execute `run.ps1` with powershell in the root dir. You may need to change the Powershell execution policies in order to run the script.