feat: #3268 CTRL/CMD + ENTER to Save Changes on Card Description

[Ben-Ro]

CTRL/CMD + ENTER to Save Changes on Card Description fixes nextcloud/deck#3268

Signed-off-by: ben [email protected]

• Resolves: #3268
• Target version: master

Summary

Allows saving and leaving the Card Description Editor via CTRL/CMD + ENTER. It's the same shortcut as with Twitter, Trello, Github and lot's of other Webapps

TODO

• [ ] ...

Checklist

• [ ] Code is properly formatted
• [ ] Sign-off message is added to all commits
• [ ] Tests (unit, integration, api and/or acceptance) are included
• [ ] Documentation (manuals or wiki) has been updated or is not required Haven't found any documentation of Keyboard Shortcuts, if there is any place to add this shortcut just let me know :)