This script adds a big green "Download VSIX" button to a VSCode extension's Marketplace page. It is particularly useful for people running VSCodium or any other VSCode fork that uses the Open-VSX.org registry.

Some credit goes to https://github.com/mjmirza/Download-VSIX-From-Visual-Studio-Market-Place/blob/main/downloadVSIX-V2.js . Please see the comment at the top of the file for more information on the license.