Examine source code of Remove Verified Tweets

{
  "manifest_version": 2,
  "name": "Remove Verified Tweets",
  "version": "0.2",
  "description": "Hides all tweets from verified users",
  "icons": {
    "48": "icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*"
      ],
      "js": [
        "remove-tweets.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{303433aa-4a13-46e2-8653-3b765366bb5a}"
    },
    "gecko_android": {
      "id": "{303433aa-4a13-46e2-8653-3b765366bb5a}"
    }
  }
}