removed redundant config, added dist config sample.

config.yaml.dist

@@ -0,0 +1,5 @@
+servers:
+  server1: 10.0.1.1
+  server2: 10.0.1.2
+  servern: 10.0.1.n
+

index.php

@@ -57,7 +57,7 @@ foreach ($config['servers'] as $server_name => $server_ip) {
         'domains' => [],
       ],
     ];
-    
+
     foreach ($domains as $domain) {
       $main_router['tls']['domains'][] = [
         'main' => $domain,