Feat: Support multiple data sources synchronizations (#10954)

### What problem does this PR solve?
#10953

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

common/data_source/__init__.py

@@ -0,0 +1,50 @@
+
+"""
+Thanks to https://github.com/onyx-dot-app/onyx
+"""
+
+from .blob_connector import BlobStorageConnector
+from .slack_connector import SlackConnector
+from .gmail_connector import GmailConnector
+from .notion_connector import NotionConnector
+from .confluence_connector import ConfluenceConnector
+from .discord_connector import DiscordConnector
+from .dropbox_connector import DropboxConnector
+from .google_drive_connector import GoogleDriveConnector
+from .jira_connector import JiraConnector
+from .sharepoint_connector import SharePointConnector
+from .teams_connector import TeamsConnector
+from .config import BlobType, DocumentSource
+from .models import Document, TextSection, ImageSection, BasicExpertInfo
+from .exceptions import (
+    ConnectorMissingCredentialError,
+    ConnectorValidationError,
+    CredentialExpiredError,
+    InsufficientPermissionsError,
+    UnexpectedValidationError
+)
+
+__all__ = [
+    "BlobStorageConnector",
+    "SlackConnector",
+    "GmailConnector",
+    "NotionConnector",
+    "ConfluenceConnector",
+    "DiscordConnector",
+    "DropboxConnector",
+    "GoogleDriveConnector",
+    "JiraConnector",
+    "SharePointConnector",
+    "TeamsConnector",
+    "BlobType",
+    "DocumentSource",
+    "Document",
+    "TextSection",
+    "ImageSection",
+    "BasicExpertInfo",
+    "ConnectorMissingCredentialError",
+    "ConnectorValidationError",
+    "CredentialExpiredError",
+    "InsufficientPermissionsError",
+    "UnexpectedValidationError"
+]