Examine source code of Bluesky Auto Refresh

{
  "manifest_version": 3,
  "name": "Bluesky Auto Refresh",
  "version": "1.2",
  "description": "Automatically refreshes the Bluesky timeline with a customizable interval.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://bsky.app/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7e08ead6-7844-4272-8140-4875a3b76f5a}"
    }
  }
}