Examine source code of UnPocket

{
  "manifest_version": 2,
  "name": "UnPocket",
  "description": "A simple, elegant alternative to Pocket. Save, organize, and access your content effortlessly.",
  "version": "0.1.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "identity",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "UnPocket",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{bb22edaa-e8ca-4f2a-b07e-20e15ee95a68}"
    }
  }
}