Examine source code of My Pocket

{
  "manifest_version": 2,
  "name": "My Pocket",
  "description": "A focused space to store, revisit, and organize your favorite links",
  "version": "0.0.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "identity",
    "storage",
    "tabs",
    "https://mypocket.micwilk.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteContent",
          "bookmarksInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      },
      "id": "{ff477d0e-81e0-476b-a314-8a069f907d3b}"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "My Pocket",
    "default_popup": "popup.html"
  }
}