use caddyfile instead of api

internal/app/util.go

@@ -39,6 +39,14 @@ func writeJSON(w http.ResponseWriter, status int, data any) {
 	_ = json.NewEncoder(w).Encode(data)
 }
 
+func mustJSONPretty(data any) string {
+	b, err := json.MarshalIndent(data, "", "  ")
+	if err != nil {
+		return "{}"
+	}
+	return string(b)
+}
+
 func (a *App) deployWebhookURL(projectID int64, token string) string {
 	if token == "" {
 		return ""