Add bikes providers

[AleksandraKozubal]

Bikes/E-bikes providers I found:

• [x] #229
• [x] #230
• [ ] https://bitmobility.it/en/where-we-are/
• [ ] https://www.rideneuron.com/australia/ (image resource)
• [ ] https://www.sixt.com/share/bike/#/
• [ ] https://nextbike.pl/
• [ ] https://rowermevo.pl/en/stations/bikes
• [ ] https://www.acro.bike/en
• [ ] https://bikemi.com/stazioni
• [ ] https://wroclawskirower.pl/en/
• [x] #234
• [x] #236

Some of them are like escooters' maps and lists, some of them show direct location of vehicle.