Examine source code of SaveSync

{
  "manifest_version": 3,
  "name": "SaveSync: One-Click Bookmarks & Folders",
  "version": "2.7.5",
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "description": "Save links and posts to your SaveSync vault with one click. Works across social media, video, and developer platforms.",
  "permissions": [
    "tabs",
    "scripting",
    "contextMenus",
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@savesync.org",
      "strict_min_version": "109.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_title": "SaveSync",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}