Examine source code of Twitter Users Classifier

{
  "name": "Twitter Users Classifier",
  "version": "0.1.0",
  "description": "Warns about suspicious users around twitter!",
  "homepage_url": "https://github.com/iranian-digital-resistance-group/twitter-users-classifier",
  "icons": {
    "250": "icons/tuc-on-250.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*"
      ],
      "js": [
        "_utils.js",
        "content/content-script.js"
      ],
      "css": [
        "content/styles.css"
      ]
    }
  ],
  "permissions": [
    "webRequest",
    "<all_urls>",
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "125": "icons/tuc-on-125.png",
      "250": "icons/tuc-on-250.png"
    }
  },
  "manifest_version": 2,
  "background": {
    "scripts": [
      "_utils.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{12e554af-22a1-4c6c-83b4-289dde07e09c}"
    }
  }
}