refactoring

Co-authored-by: n.fedorov <mail@nfedorov.dev>
Co-committed-by: n.fedorov <mail@nfedorov.dev>

include/nxst/domain/util.hpp

@@ -0,0 +1,22 @@
+// Copyright (C) 2024-2026 NXST contributors
+#pragma once
+
+#include <switch.h>
+
+void servicesExit();
+Result servicesInit();
+void blinkLed(u8 times);
+
+namespace string_utils {
+    bool containsInvalidChar(const std::string& str);
+    std::string format(const char* fmt, ...) __attribute__((format(printf, 1, 2)));
+    std::string removeForbiddenCharacters(std::string src);
+    std::string UTF16toUTF8(const std::u16string& src);
+    void ltrim(std::string& s);
+    void rtrim(std::string& s);
+    void trim(std::string& s);
+    std::string removeAccents(std::string str);
+    std::string removeNotAscii(std::string str);
+    std::u16string UTF8toUTF16(const char* src);
+    std::string elide(const std::string& s, size_t max_chars);
+}  // namespace string_utils