New: Add root folder from Media Management settings

Co-Authored-By: Mark McDowall <markus101@users.noreply.github.com>

frontend/src/Settings/MediaManagement/RootFolder/AddRootFolderConnector.js

@@ -0,0 +1,13 @@
+import { connect } from 'react-redux';
+import AddRootFolder from './AddRootFolder';
+import { addRootFolder } from 'Store/Actions/rootFolderActions';
+
+function createMapDispatchToProps(dispatch) {
+  return {
+    onNewRootFolderSelect(path) {
+      dispatch(addRootFolder({ path }));
+    }
+  };
+}
+
+export default connect(null, createMapDispatchToProps)(AddRootFolder);