Update deploy to delete gh-pages branch and recreate

Author: Emmanuel Morales

package.json

@@ -12,7 +12,7 @@
     "bulid:microfrontends": "run-p build:microfrontend1 build:microfrontend2",
     "build:microfrontend1": "./microfrontend1/node_modules/.bin/webpack --config ./microfrontend1/webpack.config.js",
     "build:microfrontend2": "./microfrontend2/node_modules/.bin/webpack --config ./microfrontend2/webpack.config.js",
-    "deploy": "git subtree push --prefix dist origin gh-pages",
+    "deploy": "git push origin :gh-pages && git subtree push --prefix dist origin gh-pages",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],