add merchant ppcprotect

_data/merchants.yml

@@ -206,6 +206,8 @@
       url: https://njal.la/
     - name: Nofraud.co - proxy/VPN/fraudulent IP detection system
       url: https://nofraud.co
+    - name: ppcprotect - Online fraud detection platform
+      url: https://ppcprotect.com
     - name: Pradeep Atluri, Psychiatrist, New York
       url: http://dr.mindsci.com/
     - name: Ray Luechtefeld, PhD, Leadership & Team Coaching and Development