feat: implement Jira OAuth integration and connector routes

- Added support for Jira OAuth with new environment variables for client ID, client secret, and redirect URI.
- Implemented Jira connector routes for OAuth flow, including authorization and callback handling.
- Enhanced Jira connector to support both OAuth 2.0 and legacy API token authentication.
- Updated Jira indexing logic to utilize OAuth credentials with auto-refresh capabilities.
- Removed outdated Jira UI components and adjusted frontend logic to reflect the new integration.

surfsense_web/components/assistant-ui/connector-popup/constants/connector-constants.ts

@@ -58,6 +58,13 @@ export const OAUTH_CONNECTORS = [
 		connectorType: EnumConnectorName.DISCORD_CONNECTOR,
 		authEndpoint: "/api/v1/auth/discord/connector/add/",
 	},
+	{
+		id: "jira-connector",
+		title: "Jira",
+		description: "Search Jira issues",
+		connectorType: EnumConnectorName.JIRA_CONNECTOR,
+		authEndpoint: "/api/v1/auth/jira/connector/add/",
+	},
 ] as const;
 
 // Content Sources (tools that extract and import content from external sources)
@@ -96,12 +103,6 @@ export const OTHER_CONNECTORS = [
 		description: "Search repositories",
 		connectorType: EnumConnectorName.GITHUB_CONNECTOR,
 	},
-	{
-		id: "jira-connector",
-		title: "Jira",
-		description: "Search Jira issues",
-		connectorType: EnumConnectorName.JIRA_CONNECTOR,
-	},
 	{
 		id: "clickup-connector",
 		title: "ClickUp",