added captcha keys (#83)

Author: ankitamk14

forums/settings.py

@@ -23,6 +23,9 @@
 RECAPTCHA_SITE_KEY = os.getenv("RECAPTCHA_SITE_KEY")
 RECAPTCHA_SECRET_KEY = os.getenv("RECAPTCHA_SECRET_KEY")
 
+RECAPTCHA_SITE_KEY = os.getenv("RECAPTCHA_SITE_KEY_v3")
+RECAPTCHA_SECRET_KEY = os.getenv("RECAPTCHA_SECRET_KEY_v3")
+
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/