Add Heroku generated app.json

Author: eliasjpr

app.json

@@ -0,0 +1,36 @@
+{
+  "name": "ambercr.io",
+  "description": "Test App",
+  "scripts": {
+  },
+  "env": {
+    "AMBER_ENV": {
+      "required": true
+    },
+    "LOADERIO_API_KEY": {
+      "required": true
+    },
+    "NEW_RELIC_LICENSE_KEY": {
+      "required": true
+    },
+    "NEW_RELIC_LOG": {
+      "required": true
+    }
+  },
+  "formation": {
+  },
+  "addons": [
+    "loaderio",
+    "logentries",
+    "newrelic",
+    "heroku-postgresql"
+  ],
+  "buildpacks": [
+    {
+      "url": "https://github.com/crystal-lang/heroku-buildpack-crystal.git"
+    },
+    {
+      "url": "https://github.com/crystal-lang/heroku-buildpack-crystal.git"
+    }
+  ]
+}