[UPD] swagger UI for APIs

[nhatnm0612]

What this does?

• [x] create new computed field in namespace for new swagger apis UI
• [x] fix some oas return value for better swagger showing
• [x] create new route for return html page including new swagger apis UI
• [x] include new params, new return value in oas

closed: #70

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## 15.1.1 #71 +/- ## ========================================= Coverage ? 79.70% ========================================= Files ? 47 Lines ? 1976 Branches ? 254 ========================================= Hits ? 1575 Misses ? 323 Partials ? 78 ```

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