Add side actions for insertin new / editing blocks

Signed-off-by: Émile Ré <emile@getprobo.com>

packages/ui/src/RichEditor/MenuButton.tsx

@@ -0,0 +1,28 @@
+import { tv } from "tailwind-variants";
+
+const menuButtonVariants = tv({
+  base: ["px-2 py-1 text-sm rounded-sm font-semibold bg-level-0 hover:bg-subtle"],
+  variants: {
+    active: {
+      true: ["bg-active"],
+    },
+  },
+});
+
+type MenuButtonProps = {
+  label: string;
+  active?: boolean;
+  onClick: () => void;
+};
+
+export function MenuButton({ label, active, onClick }: MenuButtonProps) {
+  return (
+    <button
+      type="button"
+      onClick={onClick}
+      className={menuButtonVariants({ active })}
+    >
+      {label}
+    </button>
+  );
+}