New start script to start local server (#2491)

Author: RunDevelopment

package-lock.json

@@ -6,6 +6,7 @@
   "style": "themes/prism.css",
   "scripts": {
     "build": "gulp",
+    "start": "http-server -c-1",
     "test:aliases": "mocha tests/aliases-test.js",
     "test:core": "mocha tests/core/**/*.js",
     "test:dependencies": "mocha tests/dependencies-test.js",
@@ -45,6 +46,7 @@
     "gulp-uglify": "^3.0.1",
     "gzip-size": "^5.1.1",
     "htmlparser2": "^4.0.0",
+    "http-server": "^0.12.3",
     "jsdom": "^13.0.0",
     "mocha": "^6.2.0",
     "pump": "^3.0.0",