update config dist files

config/aliases.json.dist

 {
-    "sub.domain.example.com": "domain.example.com"            
+    "sub.domain.example.com": "www.example.com"            
 }
\ No newline at end of file

config/redirects_www.example.com.json

+{
+    "comment": "Example redirect configuration file for domain.example.com",
+    "direct":{
+        "/mail": {"code": 301, "target": "https://www.example.com/webmail" }
+    },
+    "regex":{
+        ".*":   {"code": 307, "target": "https://www.example.com/" }
+    }
+}