fix: json content type breaks web ui

internal/serv/http.go

@@ -52,6 +52,7 @@ func apiV1Handler() http.Handler {
 
 func apiV1(w http.ResponseWriter, r *http.Request) {
 	ct := r.Context()
+	w.Header().Set("Content-Type", "application/json")
 
 	//nolint: errcheck
 	if conf.AuthFailBlock && !auth.IsAuth(ct) {

internal/serv/serv.go

@@ -144,7 +144,6 @@ func routeHandler() (http.Handler, error) {
 
 	fn := func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Server", serverName)
-		w.Header().Set("Content-type", "application/json")
 		mux.ServeHTTP(w, r)
 	}