Feature request: change font size by CTRL+scroll

[janedbal]

Have you searched existing Github issues to see if someone has already requested this feature?
Yes

Is your feature request related to a problem? Please describe.
No

Describe the solution you'd like
As seen in title, scroll-up to inscrease font size, scoll-down to decrease. This is common shortcut used for example in Sublime Text. I know there is existing keyboard shortcut via CTRL +.