This is the first functional release, implementing the core connection logic.

Added #

• Core Connection: Implemented the initial client connection logic.
  • connect(): Connects to the Valkey server.
  • close(): Closes the connection.
  • onConnected: A Future that completes when the connection is established.
• Documentation:
  • Added public API documentation (lib/valkey_client.dart).
  • Added a comprehensive usage example (example/valkey_client_example.dart).
• Testing:
  • Added unit tests for connection, connection failure, and disconnection scenarios.

• Initial version. (Placeholder)