change global config to split on \\n

prosody/rootfs/defaults/prosody.cfg.lua

@@ -152,10 +152,9 @@ log = {
 }
 
 {{ if .Env.GLOBAL_CONFIG }}
-{{ join ";\n" (splitList "," .Env.GLOBAL_CONFIG) }};
+{{ join "\n" (splitList "\\n" .Env.GLOBAL_CONFIG) }}
 {{ end }}
 
-
 component_interface = { "*" }
 
 data_path = "/config/data"