refactor(HotelList): adapt hotellist to diferent prov
Changed the treatment of statics to obtain different CSV of each provider, added a parameter to specify the file from where to obtain all the information of the hotels
Sellers at 2021-11-03:
- Within Earth - [WTE]
- Zahara Tours - [ZHR]
- Rayna Tours - [RAY]
- Travelbullz - [TVZ]