Examine source code of One-Click VSIX

{
  "manifest_version": 2,
  "name": "One-Click VSIX",
  "description": "Integrates with VSCode Marketplace pages to add a one-click button for instant VSIX downloads.",
  "version": "1.2.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://marketplace.visualstudio.com/*"
      ],
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a97f4f61-e473-4816-b1bf-e1f57565fa1c}"
    }
  }
}