Examine source code of dogdrip++

{
  "name": "dogdrip++",
  "version": "1.1.2",
  "icons": {
    "128": "img/128.png"
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "description": "extension to provide better experience for dogdrip.net  개드립넷 개드립",
  "manifest_version": 2,
  "browser_action": {
    "default_popup": "app/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.dogdrip.net/*"
      ],
      "exclude_matches": [
        "https://www.dogdrip.net/free",
        "https://www.dogdrip.net/communitypage",
        "https://www.dogdrip.net/notice"
      ],
      "css": [
        "app/css/block.css"
      ],
      "js": [
        "app/js/storage/storage.js",
        "app/js/types/constants.js",
        "app/js/util/tools.js",
        "app/js/app.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "app/css/compact-layout.css",
    "app/js/bridge.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec8fe979-de6a-4877-9e99-ff81933e10f3}",
      "strict_min_version": "109.0"
    }
  }
}