Download and Paste the theme file in
/Users/<Username>/Library/Application Support/com.parth-jadhav.verve/theme.json
and restart the app to see the changes.
Download: theme-default.json
Download: theme-blue.json
Download: theme-green.json
You can create your own theme by editing the theme.json file. You can find the theme.json file in the following location:
/Users/<Username>/Library/Application Support/com.parth-jadhav.verve/theme.json
Save the file & Restart the app.
Create a Pull request to add your theme to the list.