vscode/extensions/r/package.json

{
	"name": "r",
	"version": "0.1.0",
	"publisher": "vscode",
	"engines": { "vscode": "*" },
	"contributes": {
		"languages": [{
			"id": "r",
			"extensions": [ ".r", ".rhistory", ".rprofile", ".rt" ],
			"aliases": [ "R", "r" ],
			"configuration": "./language-configuration.json"
		}],
		"grammars": [{
			"language": "r",
			"scopeName": "source.r",
			"path": "./syntaxes/R.plist"
		}]
	}
}