Examine source code of GA4 Optimizer: Tools for Google Analytics

{
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  "name": "__MSG_appName__",
  "version": "4.5.7",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "permissions": [
    "storage",
    "clipboardWrite",
    "https://analytics.google.com/analytics/web/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "commands": {
    "trigger-autodetailed": {
      "suggested_key": {
        "default": "Ctrl+Shift+Q",
        "mac": "Command+Shift+Q"
      },
      "description": "Trigger Auto-Detailed Results in an Exploration"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://analytics.google.com/analytics/web/*"
      ],
      "js": [
        "assets/on_navigate.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "https://analytics.google.com/analytics/web/*"
      ],
      "js": [
        "assets/vendor/driver.js.iife.js",
        "assets/onboarding_handler.js"
      ],
      "css": [
        "assets/vendor/driver.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "https://analytics.google.com/analytics/web/*"
      ],
      "js": [
        "assets/content_main.js"
      ],
      "css": [
        "assets/content_styles.css"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "icons/icon48.png",
    "icons/icon16.png",
    "icons/color-palette.png",
    "icons/icon48-bw.png",
    "icons/cog-244x256.png",
    "icons/logo-full.png",
    "icons/optimizer-spark-2-84.png",
    "icons/calculator.svg",
    "icons/compare.png",
    "icons/confetti.png",
    "mp4/google_demo_access.mp4",
    "mp4/pin.mp4",
    "icons/stars.png",
    "icons/sync.png",
    "icons/calendar.png",
    "icons/calculator.png",
    "icons/dictionary.png",
    "icons/line-chart.png",
    "icons/fork.png",
    "icons/padlock.png",
    "assets/main_world_interceptor.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "optimizerga@gmail.com",
      "strict_min_version": "109.0"
    }
  }
}