feat(react/widgets): set up form group

apps/client/src/widgets/react/FormGroup.tsx

@@ -0,0 +1,17 @@
+import { ComponentChildren } from "preact";
+
+interface FormGroupProps {
+    label: string;
+    children: ComponentChildren;
+}
+
+export default function FormGroup({ label, children }: FormGroupProps) {
+    return (
+        <div className="form-group">
+            <label style={{ width: "100%" }}>
+                {label}
+                {children}
+            </label>
+        </div>
+    );
+}