I really like the Kirby Editor and thought about some more nice and handy blocks. One of it is to have a simple CTA button.
The way I did it is to simply copy many stuff from the Kirby-Editor-File-Block and change it a bit to fit my way of thinking.
Here is it: https://github.com/creichel/kirby-editor-cta-block
It’s the first version of it, so expect changes to happen 
Especially because it was a half hour job.
Here’s how it looks like in the editor (you can directly change the button text):
Here’s the settings panel:
Translations in English and German available.