Update documentation and routes to remove /v1 prefix

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

deploy/install.sh

@@ -163,7 +163,7 @@ echo "   sudo journalctl -u cashumints-api -f"
 echo "   sudo journalctl -u cashumints-workers -f"
 echo ""
 echo "5. Test API:"
-echo "   curl http://localhost:3000/v1/health"
+echo "   curl http://localhost:3000/health"
 echo ""
 if command -v nginx &> /dev/null; then
     echo "6. Setup SSL (Let's Encrypt):"