Examine source code of Rephrasely

{
  "manifest_version": 3,
  "name": "Rephrasely",
  "version": "1.0.0",
  "description": "Rewrite text with different tones using AI",
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://api.openai.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rephrasely@biggaymikey.com",
      "strict_min_version": "109.0"
    }
  }
}