Auto Contact Saver for Whatsapp Web

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Auto Contact Saver for Whatsapp Web",
  "description": "__MSG_appDesc__",
  "version": "2.0",
  "icons": {
    "16": "./icons/16.png",
    "38": "./icons/38.png",
    "64": "./icons/64.png",
    "128": "./icons/128.png"
  },
  "default_locale": "en",
  "content_scripts": [
    {
      "js": [
        "injector.js"
      ],
      "matches": [
        "https://web.whatsapp.com/*"
      ]
    }
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "./icons/16.png",
      "38": "./icons/38.png",
      "64": "./icons/64.png",
      "128": "./icons/128.png"
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://web.whatsapp.com/*"
      ],
      "resources": [
        "script.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ]
}