Examine source code of NoVerify

{
  "description": "Remove verified tweets from Twitter",
  "manifest_version": 2,
  "name": "NoVerify",
  "version": "1.1",
  "homepage_url": "https://github.com/ismyilson/noverify",
  "icons": {
    "48": "icons/noverify_icon_48.png",
    "96": "icons/noverify_icon_96.png"
  },
  "options_ui": {
    "page": "settings/options.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ismyilson@gmail.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*"
      ],
      "js": [
        "noverify.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "images/acc_add.png",
    "images/acc_remove.png"
  ]
}