Interacting with your script

Nice news

With script writing is there a way to have 2 owners? I would like someone (i trust) to "make a copy" of my sheet. So it would be like a template. But I don't want to have them have to give permissions and all those warnings. Plus I would like to be able to use his newly created Doc as well. Is this possible? Thank you

Google script is so cool but it mostly work within G Suite or Google product.i been using it for years but there ain't much new features. Compare to MS flow, it's much friendly and should be much more adoption IMO. I stop further using App script after I find perfect match for angular+firebase, which can expand further

Is there a way to add such UI menus in Google Drive user interface?

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