Create new endpoints for managing the Tour list

[uparkalau]

Create new endpoints for managing the Tour list. This will involve setting up routes to handle CRUD operations for tours displayed in the application.

Tasks

• Define the schema for tours in PostgreSQL.
• Set up the Node.js server with the necessary routes.
• Implement the GET /tours endpoint to retrieve all tours.
• Implement the POST /tours endpoint to add a new tour.
• Implement the PUT /tours/:id endpoint to update an existing tour.
• Implement the DELETE /tours/:id endpoint to remove a tour.
• Write test requests for each endpoint. Create a postman collection.

##Criteria

• All endpoints must be secured and only accessible to authorized users.
• The GET /tours endpoint should return a list of tours.
• The data returned should match the structure presented in the provided UI mockup.
• Integration tests should pass with 100% coverage for the new endpoints.

Notes

• The backend logic should be implemented in accordance with the provided picture, ensuring consistency with the UI elements such as tour titles and IDs.

https://www.figma.com/design/MLPbP1HM2L9ON6f88pHTee/User-onboarding?node-id=0-1&t=zfaJdBG4PYDSysBJ-1