Examine source code of MarketVSX

{
  "manifest_version": 2,
  "name": "MarketVSX",
  "version": "1.0",
  "description": "Creates a bridge between vscode marketplace and open-vsx.",
  "author": "GeopJr",
  "homepage_url": "https://github.com/GeopJr/MarketVSX/",
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg",
    "128": "icons/icon.svg",
    "256": "icons/icon.svg",
    "512": "icons/icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://marketplace.visualstudio.com/*"
      ],
      "js": [
        "marketvsx.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}