Update repositories.toml with arguflow/arguflow (#640)

Author: skeptrunedev

data/repositories.toml

@@ -44,6 +44,7 @@ repositories = [
   'github.com/ArduPilot/ardupilot',
   'github.com/argoproj/argo-cd',
   'github.com/argoproj/argo',
+  'github.com/arguflow/arguflow',
   'github.com/ARMmbed/mbedtls',
   'github.com/Arsenic-ATG/Qt-calculator',
   'github.com/artalar/reatom',