Django reCAPTCHA form field/widget integration app.

Following reCAPTCHA variants are supported:

* Google reCAPTCHA V2 - Checkbox (Default)
* Google reCAPTCHA V2 - Invisible
* Google reCAPTCHA V3

Django reCAPTCHA uses a modified version of the Python reCAPTCHA client which
is included in the package as "client.py"