Added report form link

Author: mtrezza

SECURITY.md

@@ -16,7 +16,7 @@ We ask that:
 
 # Communicating with us
 
-All vulnerabilities should be privately reported to us at the following address [security@parseplatform.org](mailto:security@parseplatform.org)
+All vulnerabilities should be privately reported to us by going to [report.parseplatform.org](https://report.parseplatform.org). Alternatively, you can send an email to [security@parseplatform.org](mailto:security@parseplatform.org).
 
 If you want you can encrypt your email to us by using our PGP public key, which is also uploaded [here](hkp://pgp.mit.edu):