Applescript support was deprecated

[florianrusch]

The applescript support was deprecated: https://iterm2.com/documentation-scripting.html
Do you plan to migrate it over to python?

[iron2column]

@florianrusch
Thank you for reminding me!🙏
well,this my first time to write the script,so it might take some time to migrate it for me.
specially im a little busy recently,but it's welcome to PullRequest!