Examine source code of Enter Key For AI

{
  "manifest_version": 2,
  "name": "Enter Key For AI",
  "version": "1.2.4",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "96": "icon96.png",
      "128": "icon128.png"
    }
  },
  "description": "Fix Enter Key not working for ChatGPT, Support both Ctrl/Cmd + Enter or Enter button to send message.",
  "icons": {
    "96": "icon96.png",
    "128": "icon128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+I",
        "mac": "Command+Shift+I"
      },
      "description": "Rate us and Provide Feedback"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://claude.ai/chat/*",
        "https://chatgpt.com/*",
        "https://wrtn.ai/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec2c03f3-2b1a-418b-9b3a-2826bb896ebb}"
    }
  }
}