added themes, extension manifest and layout splits

src/modules/layout/components/GridLayoutItemWrapper/index.tsx

@@ -0,0 +1,33 @@
+import { FC, PropsWithChildren } from "react";
+import styles from "./styles.module.scss";
+
+type GridLayoutItemWrapperProps = PropsWithChildren & {
+  splitVertical: () => void;
+  splitHorizontal: () => void;
+  remove: () => void;
+};
+
+const GridLayoutItemWrapper: FC<GridLayoutItemWrapperProps> = ({
+  children,
+  splitVertical,
+  splitHorizontal,
+  remove,
+}) => (
+  <div className={styles.wrapper}>
+    <div className={styles.menu}>
+      <button onClick={splitVertical} role="button">
+        v
+      </button>
+      <button onClick={splitHorizontal} role="button">
+        h
+      </button>
+      <button onClick={remove} role="button">
+        d
+      </button>
+    </div>
+
+    {children}
+  </div>
+);
+
+export { GridLayoutItemWrapper };