Revert "Removed APP_URL from notification api"
Revert "Removed APP_URL from notification api"

This reverts commit 1ca169e4161b2955d70c624c09d39a45925c92ba.

SexualHealthInnovations/callisto-core,project-callisto/callisto-core,SexualHealthInnovations/callisto-core,project-callisto/callisto-core