Add support for authentication, proxy, custom headers, query parameters, and request body to HTTP Connector

[ingdex]

1. The HTTP Connector should allow users to specify the HTTP request method (e.g., GET, POST, PUT, DELETE).
2. The HTTP Connector should support various authentication methods such as Basic Auth, OAuth, and API keys.
3. The HTTP Connector should allow users to customize the request header fields, query parameters, and request body.
4. The HTTP Connector should provide options to set timeout, request parallelism, and token.