Refactor logging system for improved structure and performance

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "lib/ArtNet"]
-	path = lib/ArtNet
-	url = https://github.com/psxde/ArtNet.git
+path = lib/ArtNet
+url = https://github.com/psxde/ArtNet.git
 [submodule "lib/AsyncWebServer_ESP32_W5500"]
-	path = lib/AsyncWebServer_ESP32_W5500
-	url = https://github.com/psxde/AsyncWebServer_ESP32_W5500.git
+path = lib/AsyncWebServer_ESP32_W5500
+url = https://github.com/psxde/AsyncWebServer_ESP32_W5500.git

src/log.cpp

@@ -0,0 +1,57 @@
+#include "log.h"
+
+const char *getLogLevelString(log_level level)
+{
+    switch (level)
+    {
+    case EMERGENCY:
+        return "EMRG";
+    case ALERT:
+        return "ALRT";
+    case CRITICAL:
+        return "CRIT";
+    case ERROR:
+        return "EROR";
+    case WARNING:
+        return "WRNG";
+    case NOTICE:
+        return "NOTI";
+    case INFO:
+        return "INFO";
+    case DEBUG:
+        return "DEBG";
+    default:
+        return "UKWN";
+    }
+}
+
+void setupLogger()
+{
+    Serial.begin(9600);
+    while (!Serial)
+    {
+        // updateLed();
+    }
+    // delay(5000);
+    Serial.println("Logger initialized");
+}
+
+void writeSerialLog(const log_level level, const char *tag, const unsigned long timestamp, const char *formattedMessage)
+{
+    Serial.printf("[%s][%s](%d)> %s\n", getLogLevelString(level), tag, timestamp, formattedMessage);
+}
+
+void logMessage(const log_level level, const char *tag, const char *message, ...)
+{
+    const unsigned long timestamp = millis();
+    va_list args;
+    va_start(args, message);
+    int size = vsnprintf(nullptr, 0, message, args);
+    char *messageBuffer = new char[size + 1];
+    vsnprintf(messageBuffer, size + 1, message, args);
+    va_end(args);
+
+    writeSerialLog(level, tag, timestamp, messageBuffer);
+
+    delete[] messageBuffer;
+}

src/log.h

@@ -0,0 +1,27 @@
+#include <Arduino.h>
+
+enum log_level
+{
+    EMERGENCY,
+    ALERT,
+    CRITICAL,
+    ERROR,
+    WARNING,
+    NOTICE,
+    INFO,
+    DEBUG
+};
+
+namespace tag
+{
+    const char *const SYSTEM = "SYS";
+    const char *const DMX = "DMX";
+    const char *const ARTNET = "ART";
+    const char *const SERVER = "SVR";
+    const char *const WIFI = "WIF";
+    const char *const ETHERNET = "ETH";
+    const char *const CONFIG = "CNF";
+}
+
+void setupLogger();
+void logMessage(const log_level level, const char *tag, const char *message, ...);