feat(logging): add database logging support and refactor logging system

- Implement new database logging functionality with separate logs database
- Refactor PostLog function to store logs in database while maintaining console output
- Add new InitLogsDatabase function and related database operations
- Update main.go to support separate database paths for data and logs
- Add logging for user creation events

postLog/postLog.go

@@ -48,28 +48,23 @@ func PostLog(message string, level int) {
 
 	// Lock to make reading debug flag and all output atomic across threads
 	loggerMutex.Lock()
-	defer loggerMutex.Unlock()
 
 	// Skip DEBUG when debug is off
 	if idx == DEBUG && !isDebug {
+		loggerMutex.Unlock()
 		return
 	}
 
 	// Colored output
 	levelDisplay := colorOut_256(levelNames[idx], levelColors[idx])
 
-	switch idx {
-	case DEBUG:
-		fmt.Printf("[%s - %s] %s\n", timeNow, levelDisplay, message)
-	case INFO:
-		fmt.Printf("[%s - %s] %s\n", timeNow, levelDisplay, message)
-	case WARNING:
-		fmt.Printf("[%s - %s] %s\n", timeNow, levelDisplay, message)
-	case ERROR:
-		fmt.Printf("[%s - %s] %s\n", timeNow, levelDisplay, message)
-	case FATAL:
-		fmt.Printf("[%s - %s] %s\n", timeNow, levelDisplay, message)
-	}
+	// Copy logsDB to avoid holding the lock during DB operation
+	db := logsDB
+
+	loggerMutex.Unlock()
+
+	fmt.Printf("[%s - %s] %s\n", timeNow, levelDisplay, message)
+	insertLogToDB(db, level, message, timeNow)
 }
 
 // Helper functions for different log levels