Add back vsce script

Author: exceptionraiser

package.json

@@ -335,7 +335,8 @@
 		"test": "node ./test/runTest.js",
 		"build": "tsc",
 		"package": "(rm -rf out || true) && mkdir out && cp package.json out && vsce package",
-		"vscode:prepublish": "tsc -p ./"
+    "vsce": "vsce",
+    "vscode:prepublish": "tsc -p ./"
 	},
 	"devDependencies": {
 		"@types/glob": "^7.1.3",