custom markdown pages - basic concept

packages/web/src/charts/MarkdownToolbar.js

@@ -0,0 +1,17 @@
+import React from 'react';
+import useHasPermission from '../utility/useHasPermission';
+import ToolbarButton from '../widgets/ToolbarButton';
+
+export default function MarkdownToolbar({ save }) {
+  const hasPermission = useHasPermission();
+
+  return (
+    <>
+      {hasPermission('files/markdown/write') && (
+        <ToolbarButton onClick={save} icon="icon save">
+          Save
+        </ToolbarButton>
+      )}
+    </>
+  );
+}