Modusfile support for VSCode

Currently this extension only provides syntax highlighting.

Name		Name	Last commit message	Last commit date
Latest commit History 8 Commits
.github/workflows		.github/workflows
.vscode		.vscode
syntaxes		syntaxes
.vscodeignore		.vscodeignore
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
demo.Modusfile		demo.Modusfile
language-configuration.json		language-configuration.json
package-lock.json		package-lock.json
package.json		package.json
syntax.png		syntax.png

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