Include the HTTP connector as built-in

[hariso]

Feature description

HTTP is a common source.

[raulb]

Thank you @hariso for creating the issue. I think this the right call. We should do it.

[raulb]

Discussed yesterday during the weekly sync and decided that this is not a priority at the moment. Action item we'll take for now is: conduitio-labs/conduit-connector-http#79