Begin integration of dotnet backend with biergarten nextjs code

Website/src/components/ui/forms/FormError.tsx

@@ -0,0 +1,16 @@
+import { FunctionComponent } from 'react';
+
+/**
+ * @example
+ *   <FormError>Something went wrong!</FormError>;
+ */
+const FormError: FunctionComponent<{ children: string | undefined }> = ({ children }) =>
+  children ? (
+    <div
+      className="my-1 h-3 text-xs font-semibold italic text-error-content"
+      role="alert"
+    >
+      {children}
+    </div>
+  ) : null;
+export default FormError;