refactor: Add TimeZone value
Sellers at 2023-06-28:
- Tower - [TWR]
- AlbaTravel Group - [ALB]
- Italian Escapade - [ITL]
- AIC Travel Group - [AIC]
- MyGo - [MYGO]
- Magica Italia Travel - [MAI]
- One Up Travel - [OUT]
- Netstorming Connector - [NSTC]
- Blu Welcome Travel - [BLW]
- Fly4you - [FYY]
- HotelBKG - [OFBN]
- Hashnap - [HSP]