Examine source code of Cat Gatekeeper wooo!

{
  "manifest_version": 2,
  "name": "Cat Gatekeeper PRO",
  "version": "2.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "cat-gatekeeper-pro@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "cat1.mp4",
    "cat2.mp4",
    "cat3.mp4",
    "cat4.mp4",
    "cat5.mp4",
    "cat6.mp4",
    "cat7.mp4",
    "cat8.mp4",
    "cat9.mp4",
    "cat10.mp4",
    "cat11.mp4",
    "cat12.mp4",
    "cat13.mp4",
    "cat14.mp4",
    "cat15.mp4",
    "cat16.mp4",
    "cat17.mp4",
    "cat18.mp4",
    "cat19.mp4",
    "cat20.mp4",
    "cat21.mp4",
    "cat22.mp4",
    "cat23.mp4",
    "cat24.mp4",
    "cat25.mp4",
    "cat26.mp4",
    "cat27.mp4",
    "cat28.mp4",
    "cat29.mp4",
    "cat30.mp4",
    "cat31.mp4",
    "cat32.mp4",
    "cat33.mp4",
    "cat34.mp4",
    "cat35.mp4",
    "cat36.mp4",
    "cat37.mp4",
    "cat38.mp4",
    "cat39.mp4",
    "cat40.mp4",
    "cat41.mp4",
    "cat42.mp4",
    "cat43.mp4",
    "cat44.mp4",
    "cat45.mp4",
    "cat46.mp4"
  ]
}