Examine source code of Fix Claude's Enter Key

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  "name": "Fix Claude's Enter Key",
  "description": "Replaces Enter with Shift+Enter on claude.ai, so that Enter produces a new line",
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  "browser-action": {
    "default_icon": "icons/icon48.png",
    "default_title": "Fix Claude's Enter Key"
  },
  "icons": {
    "48": "icons/icon48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.claude.ai/*"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{20a391c6-1cc7-44d6-8c54-a5b69a9d93f3}"
    }
  }
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