Ibishu Diadem 1.2.2 Final Update

Finally, over 1 year later, the update is finished, but frankly, I have kinda forgotten the changelog. Miata lover did most of the work.
Anyway, this is probably the final Diadem content update, not counting fixes. It has been an eventful 2 years of development but it is time to step up a notch. Keep you updated.

Changelog:
- Improved engines and body
- Revised EU plate + LHD interior support
- Many small fixes and tweaks for like everything
- Config inspired by a specific TV series (credits to Fonnie Faxbear)
- Openable support added
- Suspension rework
- Configs and trims redone (with suggestions from Kueso)