Add npm run script for vsce and update version

Author: exceptionraiser

package.json

@@ -2,7 +2,7 @@
 	"name": "string-manipulation",
 	"displayName": "String Manipulation",
 	"description": "Format strings to camelize, dasherize, etc.",
-	"version": "0.5.7",
+  "version": "0.5.8",
 	"publisher": "marclipovsky",
 	"repository": "https://github.com/marclipovsky/vscode-string-manipulation",
 	"engines": {
@@ -332,7 +332,8 @@
 	},
 	"scripts": {
 		"test": "node ./test/runTest.js",
-		"build": "(rm -rf out || true) && mkdir out && cp package.json out && vsce package"
+    "build": "(rm -rf out || true) && mkdir out && cp package.json out && vsce package",
+    "vsce": "vsce"
 	},
 	"devDependencies": {
 		"@types/glob": "^7.1.3",