[Chrome Extension] AI2Helper - download all blocks seperately and remove all orphan blocks with one click

[Kevinkun]

I made another version of AI2 block helper:

This time we use tampermonkey.

HOW TO INSTALL

1. go to tampermonkey, install the browser extension according to your browser.
2. go to App Inventer 2 block helper (greasyfork.org), to install this userscript.
3. open https://ai2.appinventer.mit.edu, open your project (if autoload is distabled), in about 10 seconds, you will see the buttons as below:
   
   
4. done.