🐛(frontend) add default toolbar buttons

We are overriding the default toolbar to add the
markdown and ai buttons. By doing that we were
missing some default buttons that are useful depend
on the block type. This commit adds the default
buttons to the toolbar.

CHANGELOG.md

@@ -13,6 +13,10 @@ and this project adheres to
 
 - 📝Contributing.md #352
 
+## Fixed
+
+- 🐛(frontend) add default toolbar buttons #355
+
 
 ## [1.6.0] - 2024-10-17