Please add support for Sangoma

[hboetes]

Sangoma is the RHEL clone which supports freepbx

diff --git a/manifests/params.pp b/manifests/params.pp
index ce19084..03e2146 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -4,7 +4,7 @@
 #
 class nsswitch::params {
   case $facts['operatingsystem'] {
-    /AlmaLinux|CentOS|RedHat|Rocky|Amazon|OEL|OracleLinux|Scientific|CloudLinux/: {
+    /AlmaLinux|CentOS|RedHat|Rocky|Amazon|OEL|OracleLinux|Scientific|CloudLinux|Sangoma/: {
       if versioncmp($facts[operatingsystemmajrelease], '6') > 0 {
         $passwd_default     = ['files','sss']
         $shadow_default     = ['files','sss']