Epic: Improving Conduit’s documentation

[raulb]

This is a placeholder created on Conduit's repository so we could tie it to the 0.13 release however, won't necessarily be released. Here some issues we've identified already:

• doc: Document pipeline statuses conduit-site#156
• doc: Add more references to Meroxa (Conduit Platform) conduit-site#151
• doc: Include documentation for conduit commands conduit-site#150
• refactor: Separate personas in our documentation (users vs connector developers) conduit-site#146
• doc: Document Conduit Operator + create a changelog conduit-site#171
• doc: improve developing connectors conduit-site#191
• doc: Add documentation on how to directly interact with the schema registry  conduit-site#149
• doc: Add a page for conduit connector developers outlining best practices for writing unit tests conduit-site#147
• [WIP] readmegen: A utility for generating readme from specifications conduit-connector-sdk#115
• doc: Generated documentation page for each connector conduit-site#167
• doc: Step Debugging a connector conduit-site#176
• doc: Document paramgen for conduit developers conduit-site#177
• feat: enable dark theme  conduit-site#192
• doc: move content from conduit repository conduit-site#193