v0.4.0 Shaders and Credits!

Drehmal 2.2: Apotheosis Installer

Patch Notes (v0.3.1 -> v0.4.0)

• version bump to 0.4.0
• added full credits list to project readme
• credits list is now linked to on post install page
• added client/server configuration page for common options and settings (eg. server motd)
• added optional shader install and configuration
  • using enhanced default, doesn't break, and fits game aesthetic
• cleaned up install complete page code
• fixed text overflow on mod downloads