docs(examples): add heroku deployment

Author: Awk34

Diff for: docs/Examples/Heroku_Deployment.md

@@ -0,0 +1,11 @@
+After you have generated the app, go to heroku.com and create and application manually (ex. foo-bar-42424). Then, starting frome the root folder, run the following commands:
+
+* `grunt build`
+* `cd dist
+* `heroku login` (if you are not already authenticated)
+* `heroku git:remote -a foo-bar-42424`
+* `cd ..`
+* `grunt build` (not sure if this one is necessary)
+* `grunt buildcontrol:heroku`
+
+-- [@flaurian](https://github.com/flaurian) via [#1966](https://github.com/angular-fullstack/generator-angular-fullstack/issues/1966#issuecomment-231297368)