Merge pull request #1398 from decker502/server-snippet

Surpport snippet for server section by the annotation of the ingess

controllers/nginx/rootfs/etc/nginx/template/nginx.tmpl

@@ -602,6 +602,10 @@ stream {
         {{ end }}
         {{ end }}
 
+        {{ if not (empty $server.ServerSnippet) }}
+        {{ $server.ServerSnippet }}
+        {{ end }}
+        
         {{ range $location := $server.Locations }}
         {{ $path := buildLocation $location }}
         {{ $authPath := buildAuthLocation $location }}