Long time, no see! Added controller support and more bugfixes & small tweaks.

• Cursor bug at gamestart
• Added settings menu
• Added sensitivity setting
• Added Invert Y setting
• Added more translations for new buttons
• Added a guiding arrow that points towards game area
• Added bullet decals (that somewhat work)
• Patched main menu text bug that skipped a bit of text sometimes
• Made better controller support
• Controller can now controll UI
• Added new skybox
• Added godrays