Update default.conf

Very important. Closing a security gap.
The .git folder is otherwise publicly visible. Particularly critical for private repository

Author: Ym0T

nginx/conf.d/default.conf

@@ -35,7 +35,11 @@ server {
         fastcgi_read_timeout 300;
     }
 
+    location ~ /\.git {
+        deny all;
+    }
+
     location ~ /\.ht {
         deny all;
     }
-}
+}