Toggle where the font size can be changed - similar to notion

[jav-ed]

Have you read a contributing guide?

• [X] I have read CONTRIBUTING.md
• [X] I have searched the existing requests and didn't find any that were similar
• [X] I have considered creating a pull request instead and want to proceed

Clear and concise description of the problem

It is possible to create toggles similar to notion. However, notion also allows changing the font size of the created too. Changing the font size of a toggle is what I am asking for

Suggested solution

Allowing to combine "#, ##, ###" with ">"

Alternative

No response

Additional context

No response

[ra3orblade]

It's planned but later.