feat(logger): add human-readable ISO timestamps to logger configuration

Author: mirza-mohammad24

apps/game-server/src/utils/logger.ts

@@ -8,6 +8,9 @@
 import pino from 'pino';
 
 const logger = pino(
+  {
+    timestamp: pino.stdTimeFunctions.isoTime, // human-readable ISO timestamps instead of raw epoch ms
+  },
   pino.transport({
     targets: [
       {