ChatGPT for Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "ChatGPT for Gmail",
  "description": "Display ChatGPT response as a suggestion to complete emails",
  "version": "1.1.1",
  "manifest_version": 3,
  "icons": {
    "16": "logo.png",
    "32": "logo.png",
    "48": "logo.png",
    "128": "logo.png"
  },
  "host_permissions": [
    "https://*.openai.com/",
    "https://mail.google.com/*",
    "https://"
  ],
  "permissions": [
    "storage"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "css": [
        "content-script.css"
      ],
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "injected_content.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}