discord connector (#3023)

* discord: frontend and backend poll connector

* added requirements for discord installation

* fixed the mypy errors

* process messages not part of any thread

* minor change

* updated the connector; this logic works & am able to docs when i print

* minor change

* ability to enter a start date to pull docs from and refactor

* added the load connector and fixed mypy errors

* local commit test

done!

* minor refactor and properly commented everything

* updated the logic to handle permissions and index active/archived threads

* basic discord test template

* cleanup

* going away with the danswer discord client class ; using an async context manager

* moved to proper folder

* minor fixes

* needs improvement

* fixed discord icon

---------

Co-authored-by: hagen-danswer <hagen@danswer.ai>

backend/onyx/connectors/factory.py

@@ -12,6 +12,7 @@ from onyx.connectors.blob.connector import BlobStorageConnector
 from onyx.connectors.bookstack.connector import BookstackConnector
 from onyx.connectors.clickup.connector import ClickupConnector
 from onyx.connectors.confluence.connector import ConfluenceConnector
+from onyx.connectors.discord.connector import DiscordConnector
 from onyx.connectors.discourse.connector import DiscourseConnector
 from onyx.connectors.document360.connector import Document360Connector
 from onyx.connectors.dropbox.connector import DropboxConnector
@@ -101,6 +102,7 @@ def identify_connector_class(
         DocumentSource.GOOGLE_CLOUD_STORAGE: BlobStorageConnector,
         DocumentSource.OCI_STORAGE: BlobStorageConnector,
         DocumentSource.XENFORO: XenforoConnector,
+        DocumentSource.DISCORD: DiscordConnector,
         DocumentSource.FRESHDESK: FreshdeskConnector,
         DocumentSource.FIREFLIES: FirefliesConnector,
         DocumentSource.EGNYTE: EgnyteConnector,