Examine source code of Chega de BBB

{
  "manifest_version": 3,
  "name": "Chega de BBB",
  "description": "Elimina todo o conteúdo referente ao BBB, o Big Brother Brasil. Da Internet INTEIRA.",
  "version": "3.1.2",
  "author": "cefzanella+chegadebbb@gmail.com",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "action": {
    "default_popup": "popup/build/index.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "content_scripts": [
    {
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "images/icon16.png",
        "images/icon48.png",
        "images/icon128.png"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cefzanella@gmail.com",
      "strict_min_version": "109.0"
    }
  }
}