feat: demo to test it out

Author: hiddentao

demo.ts

@@ -0,0 +1,32 @@
+import { LogLevel, Logger } from './src';
+import { ConsoleTransport } from './src/transports/console';
+
+// Create a logger with console transport (no timestamps)
+const logger = new Logger({
+  minLevel: LogLevel.DEBUG,
+  transports: [new ConsoleTransport()]
+});
+
+// Create a logger with timestamps
+const timestampLogger = new Logger({
+  transports: [new ConsoleTransport({ showTimestamps: true })]
+});
+
+// Create loggers with categories
+const authLogger = logger.child('auth');
+const dbLogger = logger.child('database');
+
+// Create nested child loggers
+const userAuthLogger = authLogger.child('user');
+const adminAuthLogger = authLogger.child('admin');
+
+// Demo different log levels and options
+logger.debug('Debug message - gray color');
+logger.info('Info message - white color');
+logger.warn('Warning message - yellow color');
+logger.error('Error message - red color');
+timestampLogger.info('Message with timestamp');
+authLogger.info('Message from auth category');
+dbLogger.error('Database connection failed');
+userAuthLogger.info('User authentication successful');
+adminAuthLogger.warn('Admin failed login attempt');