Add trip colours for EIP, FR, ICN

* - Added "Trm" used by ZVV-Backend
- Added "ECD" used by ÖBB-Backend

* More train-color bubbles
- Added EIP (polish Express Intercity Premium) to Highspeed Trains
- Added FR (italian Frecciarossa) to Highspeed Trains
- Added ICN (italian Intercity Notte (Nighttrain) to Nighttrains

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Co-authored-by: Lili Urban <mail@lili-urban.net>