Examine source code of SimaniaFixer

{
  "manifest_version": 2,
  "name": "SimaniaFixer",
  "version": "1.3.4",
  "description": "Fixes bugs on simania.co.il, adds tokbek notifications, improves mobile experience",
  "icons": {
    "48": "icons/release-icon.png"
  },
  "web_accessible_resources": [
    "icons/trash.png",
    "icons/info.png"
  ],
  "permissions": [
    "activeTab",
    "tabs",
    "menus",
    "storage",
    "bookmarks",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://simania.co.il/*",
        "file:///*/mobile/bookdetails.php*",
        "file:///*/mobile/userPage.php*"
      ],
      "js": [
        "3rd_party/jquery-3.4.1.min.js",
        "lib/common_lib.js",
        "lib/content_scripts_lib.js",
        "content_scripts/userPage.js",
        "content_scripts/bookdetails.js",
        "content_scripts/showReview.js",
        "content_scripts/main.js"
      ],
      "css": [
        "style_sheets/stuff.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "3rd_party/jquery-3.4.1.min.js",
      "lib/common_lib.js",
      "lib/background_lib.js",
      "background_scripts/background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "icons/release-icon.png",
    "default_title": "מנויי סימניה",
    "default_popup": "popups/subscriptions.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac27fee0-2b25-4296-9552-cf99f858defc}"
    }
  }
}