chore(npm): add gulp-sort

Author: Awk34

app/templates/_package.json

@@ -60,6 +60,7 @@
     "gulp-plumber": "^1.0.1",
     "gulp-rev": "^5.0.0",
     "gulp-rev-replace": "^0.4.2",
+    "gulp-sort": "^1.1.1",
     "gulp-sourcemaps": "^1.5.2",
     "gulp-svgmin": "^1.1.2",
     "gulp-uglify": "^1.2.0",