Add dash to the Open VSX registry for open source users

[EmberCraze]

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Current open source users of vscode and its forks cannot use the proprietary Microsoft marketplace and thus rely on the Open VSX registry/marketplace integrated with vscodium to install extensions.

Please add dash to Open VSX through https://github.com/eclipse/openvsx/wiki/Publishing-Extensions so that open source users can easily access and use the extension.

[UmarJ]

Just came here to open an issue about this as well, but you beat me to it :)