webserver: Add MIME type for WebAssembly

webserver/templates/nginx.conf

@@ -29,6 +29,9 @@ http {
     # server_name_in_redirect off;
 
     include /etc/nginx/mime.types;
+    types {
+        application/wasm wasm;
+    }
     default_type application/octet-stream;
 
     resolver {{ webserver_resolver|join(" ") }} ipv6={% if webserver_enable_ipv6 %}on{% else %}off{% endif %};