Implement customer management domain with authorization and API enhancements

- Introduced a new customer management domain, including entities, services, handlers, and forms for customer operations.
- Added JWT-based user authorization settings in the configuration file for both user and customer management.
- Updated API endpoints to reflect the new structure, including changes to health check and user management routes.
- Enhanced Swagger documentation to include new customer-related endpoints and authorization details.
- Refactored the Makefile to include a target for generating API documentation.
- Removed obsolete documentation files to streamline the project structure.

cmd/web/config.yaml

@@ -36,7 +36,14 @@ search:
     password: ""
     index_prefix: "tender_"
 
-auth:
+user_authorization:
+  jwt:
+    access_secret: "your-super-secret-access-token-key-here-make-it-long-and-secure"
+    refresh_secret: "your-super-secret-refresh-token-key-here-make-it-long-and-secure"
+    access_expires_in: 3600 # 1 hour in seconds
+    refresh_expires_in: 2592000 # 30 days in seconds
+
+customer_authorization:
   jwt:
     access_secret: "your-super-secret-access-token-key-here-make-it-long-and-secure"
     refresh_secret: "your-super-secret-refresh-token-key-here-make-it-long-and-secure"