* Add chat/converstaion mode as the default chat mode
Show menu for toggling options for chat/query/reset command
Show chat status below input
resolves#61
* remove console logs
* add start of lanceDB support
* lancedb initial support
* add null method for deletion of documents from namespace since LanceDB does not support
show warning modal on frontend for this
* update .env.example and lancedb methods for sourcing
* change export method
* update readme
