Examine source code of Simple Notebook

{
  "manifest_version": 3,
  "name": "Simple Notebook",
  "version": "3.1",
  "description": "简易笔记本",
  "icons": {
    "16": "public/logo.png",
    "32": "public/logo.png",
    "48": "public/logo.png",
    "128": "public/logo.png"
  },
  "background": {
    "scripts": [
      "background/index.js"
    ]
  },
  "browser_action": {
    "default_title": "Simple Notebook",
    "default_popup": "popup/popup.html"
  },
  "sidebar_action": {
    "default_title": "Simple Notebook",
    "default_panel": "popup/side.html",
    "default_icon": {
      "16": "public/logo.png",
      "32": "public/logo.png",
      "48": "public/logo.png",
      "128": "public/logo.png"
    }
  },
  "side_panel": {
    "default_path": "popup/side.html"
  },
  "action": {
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "sidePanel",
    "sidebarAction",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "zhebliulanqidechajiankaifaganjuetaitamademafan@zhenjibashiduo.woqunimade"
    }
  }
}