Add Heroku generated app.json

app.json

+{
+  "name": "bulktp",
+  "scripts": {
+  },
+  "env": {
+    "PANDORABOTS_APP_ID": {
+      "required": true
+    },
+    "PANDORABOTS_BOTNAME": {
+      "required": true
+    },
+    "PANDORABOTS_URL": {
+      "required": true
+    },
+    "PANDORABOTS_USER_KEY": {
+      "required": true
+    }
+  },
+  "formation": {
+    "web": {
+      "quantity": 1
+    }
+  },
+  "addons": [
+
+  ],
+  "buildpacks": [
+    {
+      "url": "heroku/nodejs"
+    }
+  ]
+}