Examine source code of ProtonDB Peek

{
  "manifest_version": 3,
  "name": "ProtonDB Peek",
  "version": "1.0.7",
  "description": "A protonDB extension that displays the status of a title without leaving the Steam website.",
  "background": {
    "scripts": [
      "./service-worker.js"
    ]
  },
  "action": {
    "default_popup": "./popup/index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://store.steampowered.com/app/*"
      ],
      "js": [
        "./scripts/protondb.js",
        "./scripts/purify.min.js"
      ],
      "run_at": "document_end"
    }
  ],
  "host_permissions": [
    "https://store.steampowered.com/*",
    "https://www.protondb.com/*"
  ],
  "icons": {
    "16": "./icons/icon16.png",
    "32": "./icons/icon32.png",
    "48": "./icons/icon48.png",
    "128": "./icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "/badges/*.svg"
      ],
      "matches": [
        "https://store.steampowered.com/*"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage",
    "unlimitedStorage",
    "alarms"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0042aed2-9230-4c05-9b7a-abe177197008}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}