Tox command

- Ditching 'sudo', no longer needed with newer docker setup
- Excluding /docker folder from package

package.json

@@ -94,7 +94,7 @@
   },
   "scripts": {
     "test": "jest",
-    "tox": "sudo docker exec -it -u root iris_mopidy_1 bash -c \"cd /iris && tox\"",
+    "tox": "docker exec -it -u root iris_mopidy_1 bash -c \"cd /iris && tox\"",
     "start": "NODE_ENV=development WEBPACK_DEV_SERVER=1 webpack-dev-server",
     "lint": "eslint src",
     "lint:fix": "eslint src --fix",