Feat/backend/booking analytics

[waveyboym]

Description

This pr introduces 3 new endpoints for booking analytics:

1. Top 3 bookings
2. Historical bookings
3. Current bookings

Fixes # (issue)
#363

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• New unit and integration tests for codecov

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.24%. Comparing base (e809880) to head (47cfe8d).
Report is 12 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop     #364       +/-   ##
============================================
+ Coverage    68.71%   94.24%   +25.53%     
============================================
  Files           55       11       -44     
  Lines         6041     3320     -2721     
  Branches        84        0       -84     
============================================
- Hits          4151     3129     -1022     
+ Misses        1833      144     -1689     
+ Partials        57       47       -10     

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