feat(ws): add swagger config

[Mohamed-ben-khemis]

Closes #46

Summary

This PR introduces Swagger configuration for the project, enabling API documentation and interactive testing directly from the browser.

Changes Implemented

• Swagger Setup: Initialized and configured Swagger for the backend.
• Document Health Check: Added Swagger documentation for the health check endpoint.
• Ensure Swagger Docs Regeneration: Ensured Swagger documentation is regenerated before each backend build and run.
• Structured Documentation Output: Configured JSON/YAML documentation output to be stored in api/v1/swagger.
• Serving API Documentation:
  • Enabled serving the generated YAML documentation in addition to the Swagger UI.

[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign kimwnasptd for approval. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment