Update documentation and routes to remove /v1 prefix

- Update all route documentation comments
- Update README, env.example, and starter-docs
- Update install.sh

README.md

@@ -118,8 +118,6 @@ Interactive API documentation is available at:
 
 ## API Endpoints
 
-Base URL: `/v1`
-
 ### System
 
 | Method | Endpoint | Description |
@@ -309,21 +307,21 @@ All admin actions are audited. Never deletes raw data.
 
 ```bash
 # Add a mint manually
-curl -X POST http://localhost:3000/v1/admin/mints \
+curl -X POST http://localhost:3000/admin/mints \
   -H "X-Admin-Api-Key: $ADMIN_API_KEY" \
   -H "Content-Type: application/json" \
   -d '{"mint_url": "https://mint.example.com", "notes": "Trusted operator"}'
 
 # Get system metrics
-curl http://localhost:3000/v1/admin/system/metrics \
+curl http://localhost:3000/admin/system/metrics \
   -H "X-Admin-Api-Key: $ADMIN_API_KEY"
 
 # Force trust recalculation
-curl -X POST http://localhost:3000/v1/admin/mints/{mint_id}/trust/recompute \
+curl -X POST http://localhost:3000/admin/mints/{mint_id}/trust/recompute \
   -H "X-Admin-Api-Key: $ADMIN_API_KEY"
 
 # View audit log
-curl http://localhost:3000/v1/admin/audit \
+curl http://localhost:3000/admin/audit \
   -H "X-Admin-Api-Key: $ADMIN_API_KEY"
 ```