add async/await support in latest browsers

.browserslistrc

+[development]
+last 3 chrome version
+last 3 firefox version
+last 3 safari version
+
+[production]
+>0.2%
+not dead
+not op_mini all
\ No newline at end of file

package.json

@@ -19,9 +19,9 @@
     "url": "https://github.com/goitacademy/parcel-project-template/issues"
   },
   "devDependencies": {
-    "gh-pages": "^3.1.0",
     "parcel-bundler": "^1.12.5",
     "parcel-plugin-handlebars-precompile": "^1.0.2",
+    "parcel-plugin-nuke-dist": "^1.0.1",
     "posthtml-include": "^1.6.2",
     "sass": "^1.32.8"
   }