feat: Add Elasticsearch connector integration

- Updated ElasticsearchIndexer to use connector_config for initialization.
- Created a new page for adding Elasticsearch connectors with a comprehensive form.
- Enhanced the dashboard to include the Elasticsearch connector in the connectors list.
- Updated breadcrumb component to display Elasticsearch connector label.
- Added Elasticsearch icon to the connector icons enum.
- Installed @radix-ui/react-radio-group for radio button functionality in the form.

surfsense_web/components/dashboard-breadcrumb.tsx

@@ -88,6 +88,7 @@ export function DashboardBreadcrumb() {
 								"serper-api": "Serper API",
 								"linkup-api": "LinkUp API",
 								"luma-connector": "Luma",
+								"elasticsearch-connector": "Elasticsearch",
 							};
 
 							const connectorLabel = connectorLabels[connectorType] || connectorType;