feat: add report content update endpoint and integrate Platejs editor for markdown editing

surfsense_web/hooks/use-mounted.ts

@@ -0,0 +1,11 @@
+import * as React from 'react';
+
+export function useMounted() {
+  const [mounted, setMounted] = React.useState(false);
+
+  React.useEffect(() => {
+    setMounted(true);
+  }, []);
+
+  return mounted;
+}