Examine source code of TFilter

{
  "browser_action": {
    "default_icon": {
      "19": "icons/icon19.png",
      "38": "icons/icon38.png",
      "48": "icons/icon48.png"
    }
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*",
        "https://mobile.twitter.com/*"
      ],
      "css": [
        "cs.css"
      ],
      "js": [
        "jquery-3.3.1.slim.min.js",
        "mij6.js"
      ]
    }
  ],
  "description": "Hide tweets based on verified status.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "manifest_version": 2,
  "name": "TFilter",
  "short_name": "TF",
  "version": "0.0.1.2",
  "web_accessible_resources": [
    "*"
  ],
  "content_security_policy": "script-src 'self'"
}