ETK K-Series & ETK 800 V8 Engine Mod 1.2.5

Changelog:
- Default ETK transmissions support

- my transmissions have "(MOD)" added to their names to distinguish them from default transmissions​

- Turbo and supercharger tweaks

- Turbochargers and superchargers are split into 4 stages now instead of 3
- Added Variable Boost Turbocharger and Variable Pressure Supercharger for better configurability​

Changelog:
- Intake Pack - 3 superchargers, 3 turbos, sport intake, race intake
- AWD support - AWD transfer case added to transmissions
- New 6-speed sequential transmission
- 2 new custom configurations:

- V8 AWD configuration for ETK 800
- GTR configuration for ETK K-Series​

Changelog:
- Engine now available for ETK 800 as well
- Configurations for ETK 800 with V8 engine added
- Fixed bug where engine would show through hood under full load - engine is now positioned a bit lower