Update README.

Author: fabiocaccamo

README.md

@@ -313,6 +313,8 @@ Released under [MIT License](LICENSE.txt).
 
 - [`django-colorfield`](https://github.com/fabiocaccamo/django-colorfield) - simple color field for models with a nice color-picker in the admin. 🎨
 
+- [`django-email-validators`](https://github.com/fabiocaccamo/django-email-validators) - no more invalid or disposable emails in your database. ✉️ ✅
+
 - [`django-extra-settings`](https://github.com/fabiocaccamo/django-extra-settings) - config and manage typed extra settings using just the django admin. ⚙️
 
 - [`django-maintenance-mode`](https://github.com/fabiocaccamo/django-maintenance-mode) - shows a 503 error page when maintenance-mode is on. 🚧 🛠️