UI Enhancements & Simplified Admin Process Elevation

- Standardized UI colors by removing $Grey variable and replacing it with $Reset across all scripts
- Added AdminLaunch.ps1 to handle admin process elevation consistently
- Restructured all system tweaks into categorized sections
- Enhanced `README.md` with clearer descriptions and new badges

Integrate some tweakers, privacy.sexy improvements and some fixes

- Integrated GTweak launcher
- Fixed UniGetUI bundle paths
- Added WizTree and RyTuneX to Utilities .ubundle
- Privacy.sexy now support launching latest standard preset from privacylearn.com
- Removed the strange tweak that caused the system to say 'USB not recognized' after executing Universal tweaks

Improved code organization and reduce duplication

- Full powershell migration (Fixed errors when not all tweaks applies successfully)
- Add some packages to UniGetUI Ubundles
- Fixed links in README.md
- Add Section to Launch Winsctipt in portable version

Gradual transition to PowerShell

- Also fixed URLs for manufacturers in Drivers section