Compatibility Check for 1.39 version

Changelog v3.7.1 for 1.38 and 1.37 version:

- (FMOD) Added "Sound level-transition of rain hitting in the cabin"
- Minor tweaks & values for some textures, windshield effects...
- Improved "outside" Rain texture
- Others

Deleted "dirt.tobj" file (not necessary) most compatibility with other mods

- New texture raindrops created by me
- Some tweaks for windshield effects

v3.6 for 1.38.x version:

- New texture raindrops for windshield & windows (Thanks to AleyxeP for main texture)
- Reworked ("exterior") rain texture & values for 1.38 version
- Fully reworked values for windshield effects
- Increased number of raindrops
- This version will use the old particle/spray effect of the wheels, better compatibility with other mods and better performance.
- Added some new thunders sounds
- Equalized and tweaked the delay of thunder sounds

*Note: Thunders will be heard in an interval between 1.5 to 5 seconds when seeing the 'flash' (lightning), simulating distance as IRL

The number of raindrops on windows will vary depending on the intensity and the direction of the rain

No added changes:

- Zipped files
- Update manifest and description file
- Works with 1.38. Open Beta

v3.5.2
- Fixed smoke effect (Chimneys, factories etc ...)
- Improved dirt/smoke particles of wheels
- Other minor adjusts (windshield effects and water particles)
- Improved some thunder sounds

- Rain textures Rework
- Tweaks values for Rain textures
- Minor adjustments values for water particles/spray

- Minor tweaks: windshield effects
- Water Particles/spray improved