Examine source code of Tab Board

{
  "version": "1.0.9",
  "name": "Tab Board",
  "description": "Save, organize, and reopen browser tabs in groups with optional GitHub Gist sync.",
  "icons": {
    "32": "icons/icon.png"
  },
  "background": {
    "scripts": [
      "background/scripts.js"
    ]
  },
  "action": {
    "default_popup": "action/index.html"
  },
  "commands": {
    "open-popup": {
      "suggested_key": {
        "default": "Ctrl+Shift+D",
        "mac": "Command+Shift+D"
      },
      "description": "Open Tab Board popup"
    }
  },
  "options_page": "options/index.html",
  "permissions": [
    "tabs",
    "storage",
    "bookmarks"
  ],
  "host_permissions": [
    "https://api.github.com/*"
  ],
  "author": "Pham Huu Loc",
  "browser_specific_settings": {
    "gecko": {
      "id": "tabboard@phamhuulocforwork.github.io",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "manifest_version": 3
}