Examine source code of ProtonDB Steam Summary

{
  "manifest_version": 2,
  "name": "ProtonDB Steam Summary",
  "author": "choiandr",
  "version": "1.0.1",
  "description": "Shows ratings and suggested community fixes from ProtonDB reports on Steam store pages.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.store.steampowered.com/app/*"
      ],
      "js": [
        "src/protonData.js",
        "src/unofficialAPI.js",
        "src/appPage.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "https://www.protondb.com/*",
    "https://protondb.max-p.me/*"
  ]
}