Examine source code of SteamScraper

{
  "manifest_version": 3,
  "name": "SteamScraper",
  "version": "1.1.2",
  "description": "Your own Pokédex for Steam: honest tag ranks, smarter tag searches, and personalized game recommendations.",
  "author": "ZeinLabs",
  "homepage_url": "https://steamscraper.com",
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@steamscraper.com",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "websiteActivity"
        ],
        "optional": []
      }
    }
  },
  "action": {
    "default_title": "SteamScraper: your own Pokédex for Steam",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "config.js",
      "background.js"
    ]
  },
  "host_permissions": [
    "https://store.steampowered.com/*",
    "https://steamscraper.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://store.steampowered.com/app/*"
      ],
      "js": [
        "config.js",
        "tag_ids.js",
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://store.steampowered.com/search/*",
        "https://store.steampowered.com/tags/*",
        "https://store.steampowered.com/category/*"
      ],
      "js": [
        "config.js",
        "tag_ids.js",
        "tag_search.js",
        "preferences.js",
        "browse.js"
      ],
      "css": [
        "browse.css"
      ],
      "run_at": "document_idle"
    }
  ]
}