Examine source code of Cherry Browser extension

{
  "name": "Cherry Browser extension",
  "description": "Browser extension for Cherry the open source self-hostable bookmark service",
  "version": "0.0.6",
  "options_ui": {
    "page": "options.html",
    "browser_style": false,
    "open_in_tab": true
  },
  "icons": {
    "16": "/images/leaf-16.png",
    "32": "/images/leaf-32.png",
    "48": "/images/leaf-48.png",
    "128": "/images/leaf-128.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/leaf-16.png",
      "32": "/images/leaf-32.png",
      "48": "/images/leaf-48.png",
      "128": "/images/leaf-128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ext@cherry.haishan.me",
      "strict_min_version": "101.0"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "https://*/*",
    "http://*/*"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+E",
        "mac": "Command+Shift+E"
      }
    }
  }
}