SSGL 2.0.0 DEVELOPER PREVIEW - User Parameters

- FIX: Oblige Modal Config requirement
- FIX: Toast Indicator color on errors
- FIX: Spelling error Separate
- FIX: Validation for PackageModal
- FIX: WAD Selected Package Checkmark Issue
- FIX: IWAD Drawer UI overflow
- FIX: Add possibility to start Sourceport without Mods
- FIX: Package Tiles now 16:9
- FEATURE: User defined Parameters for Packages
- FEATURE: Slayer Theme
- FEATURE: Filterable Directory for Mods