Instructions:
1. clone this repository
git clone https://github.com/panoply/vscode-liquid.git
2. install the dependencies
npm i
3, build the extension
npm run build
4.install vsce (the CLI tool for managing VSCode extensions)
npm i -g vsce
5.create the .vsix file
vsce package
6.install the package
Find "Install from VSIX" in the Command Palette (ctrl-shift-P on Windows) or click the more (triple dot) button in the top right corner of the extensions panel and choose it from there
locate the .vsix file generated in the previous step