the readme for vscodium says they've put up an alternative place: https://open-vsx.org
> According to the VS Code Marketplace Terms of Use, you may only install and use Marketplace Offerings with Visual Studio Products and Services. For this reason, VSCodium uses open-vsx.org, an open source registry for VS Code extensions
> According to the VS Code Marketplace Terms of Use, you may only install and use Marketplace Offerings with Visual Studio Products and Services. For this reason, VSCodium uses open-vsx.org, an open source registry for VS Code extensions