v2.3.0

GUI Changes

• Allow previewing more text files:
  • VDF
  • GM
  • PY
  • JS
  • TS
• Allow previewing raw images:
  • TGA
  • JPEG/JPG/JFIF
  • PNG
  • BMP
  • WEBP
• It is now possible to navigate through VPKs by double-clicking entries in the directory preview pane
• Add user-facing settings:
  • Theme select
  • Start maximized

General Changes

• Improve CMake script to be more Qt version-agnostic on Linux (thanks @Trico-Everfire)
• Update project license with current year and name