Overview

We've seen feedback from users that creating custom files, i.e. non text files like Notebooks, is difficult to find. Right now the only way to create a new custom file is through the command palette but users are not aware of this. They often looked in the menus and on the welcome page. This issue aims to address this issue.

Design

Option 1

This proposal simply appends the item under the "New File" item, because new file is for text files, and this item would be for a custom file.

Option 2

We could alternatively combine the items into single row if there are too many and use the split button:

Option 3

This would make clicking on "New File" open a quick pick with the list of options: