Implement Index Discovery Endpoints in finesse-backend

[k-allagbe]

Description

To efficiently manage and discover the growing number of indexes, implement RESTful endpoints that allow for listing all indexes and retrieving specific index details.

Tasks

• Create a GET /indexes endpoint to list all indexes.
• Create a GET /indexes/{indexId} endpoint to fetch details of a specific index.

Acceptance Criteria

• Users can list all indexes and retrieve detailed information about any index through RESTful endpoints.