Examine source code of Intercom Counter

{
  "manifest_version": 3,
  "name": "Intercom Counter",
  "version": "0.1.0",
  "description": "Tracks your daily Intercom dialogs, replies, and closed conversations.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "https://app.intercom.com/*"
  ],
  "background": {
    "scripts": [
      "src/background/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://app.intercom.com/*"
      ],
      "js": [
        "src/content/intercom-observer.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "src/content/page-hook.js"
      ],
      "matches": [
        "https://app.intercom.com/*"
      ]
    }
  ],
  "action": {
    "default_title": "Intercom Counter",
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "assets/icon.svg",
      "32": "assets/icon.svg",
      "48": "assets/icon.svg",
      "96": "assets/icon.svg"
    }
  },
  "icons": {
    "16": "assets/icon.svg",
    "32": "assets/icon.svg",
    "48": "assets/icon.svg",
    "96": "assets/icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "intercom-counter@vpacifist.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "142.0"
    }
  }
}