added heroku support

Author: ABenassi87

.travis.yml

@@ -4,7 +4,7 @@ sudo: required
 node_js:
 - '8'
 before_install:
-- npm install -g @angular/cli
+- npm install -g @angular/cli @angular/compiler-cli typescript
 install: npm install
 branches:
   only:

Procfile

@@ -0,0 +1 @@
+web: node server.js