Read Gothic values from Gothic.ini and GothicGame.ini

[JaXt0r]

Whenever possible, let's read values for the game from the appropriate INI files.

TODOs:

1. Read the ini files into memory - Done
2. Check which values are already used by us but hard coded and alter to use from here
3. Document on our /Docs folder which values we use. Important for Gamer to know!

Hint: We need to check if both Ini files are available on Steam and GOG version.

e.g.