feat: Update swagger to remove /api/v1 prefix on hotels and guests

[zaydaanjahangir]

Description

Swagger for hotels and guests is inconsistent with some including the /api/v1 prefix on the swaggerdoc. We assume the base url includes /api/v1 so these prefixes cause inconsistencies within the swagger and lead to requests that duplicate this prefix. Removing this and updating the associated names fixes this.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 6.38%. Comparing base (dd1a547) to head (aeabeec).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #333      +/-   ##
========================================
+ Coverage   0.49%   6.38%   +5.89%     
========================================
  Files         91     139      +48     
  Lines       4456    7111    +2655     
========================================
+ Hits          22     454     +432     
- Misses      4434    6641    +2207     
- Partials       0      16      +16     

Flag	Coverage Δ
backend	16.27% <ø> (?)
web	0.49% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
backend/internal/handler/guests.go	97.56% <ø> (ø)
backend/internal/handler/hotels.go	22.47% <ø> (ø)

... and 46 files with indirect coverage changes

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