Examine source code of Rivalize Demo Importer

{
  "manifest_version": 3,
  "name": "Rivalize Demo Importer",
  "description": "Import FACEIT CS2 match demos to Rivalize — personal library, team, or opponents.",
  "version": "1.1.1",
  "homepage_url": "https://rivalize.pro",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "demo-importer@rivalize.pro",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "https://www.faceit.com/*",
    "https://rivalize.pro/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Rivalize Demo Importer"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.faceit.com/*"
      ],
      "js": [
        "content-faceit.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://rivalize.pro/*"
      ],
      "js": [
        "content-rivalize.js"
      ],
      "run_at": "document_idle"
    }
  ]
}