Support the OpenVSX registry which is the default for Codium

[tchernobog]

VSCodium (the VSCode flavor without proprietary license restrictions) started using a libre registry of plugins to ensure independence from Microsoft telemetry support and marketplace sole control. This is called OpenVSX and is developed by the Eclipse Foundation.

This is a request for the maintainer of this plugin to add a GitHub action to release this extension on OpenVSX too. It requires registering an account, importing the secret token, and then adding the corresponding GitHub action to CI. See https://github.com/HaaLeo/publish-vscode-extension#readme

[filiptronicek]

Good news, @tchernobog, I have published the extension manually to OpenVSX today 🎉! https://open-vsx.org/extension/shuworks/vscode-table-formatter