docs(docs): 📝 add missing command docs

docs/api/commands/select-node-forward.md

@@ -1,5 +1,7 @@
 # selectNodeForward
+If the selection is empty and at the end of a textblock, `selectNodeForward`  will select the node after the current textblock if possible.
 
-:::warning
-Oops, we didn’t find time to fill this page. Writing documentation needs attention to detail, a great understanding of the project and time to write. Though Tiptap is used by thousands of developers all around the world, it’s still a side project for us. Let’s change that and make open source our full-time job! [Become a sponsor!](https://github.com/sponsors/ueberdosis)
-:::
+## Usage
+```js
+editor.commands.selectNodeForward()
+```