Add product variants API, deployment scripts, and documentation

- Add Node.js variant-api server with PostgreSQL integration
- Add new utility scripts for system verification and website status
- Update CI/CD workflow configuration
- Add color variant solution documentation
- Add product variants JavaScript support
- Update gitignore for new build artifacts

variant-api/node_modules/pg-protocol/esm/index.js

@@ -0,0 +1,11 @@
+// ESM wrapper for pg-protocol
+import * as protocol from '../dist/index.js'
+
+// Re-export all the properties
+export const DatabaseError = protocol.DatabaseError
+export const SASL = protocol.SASL
+export const serialize = protocol.serialize
+export const parse = protocol.parse
+
+// Re-export the default
+export default protocol