Add custom LogService with Winston for error logging

logger.js

@@ -0,0 +1,38 @@
+const { createLogger, format, transports } = require('winston');
+const winstonTimestampColorize = require('winston-timestamp-colorize');
+
+const customFormat = format.combine(
+  format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }), 
+  winstonTimestampColorize(), 
+  format.colorize({all:true}), 
+  format.printf(({ level, timestamp, message, stack, tool_name, url }) => {
+
+    let logMessage = `${level} at ${timestamp}`;
+    logMessage += `\n${message}`;
+      if (tool_name) {
+        logMessage += `\n   Tool: ${tool_name}`;
+      }
+      if (url) {
+        logMessage += `\n   URL: ${url}`;
+      }
+      if (stack) {
+        logMessage += `\n   Stack: ${stack}`;
+      }
+      return logMessage;
+  }),
+
+);
+
+const logger = createLogger({
+  level: 'info',
+  format: customFormat,
+  transports: [
+    new transports.Console({
+      format: format.combine(customFormat)  
+    }),
+    new transports.File({ filename: 'logs/error.log', level: 'error' }),
+    new transports.File({ filename: 'logs/combined.log' }),
+  ],
+});
+
+module.exports = logger;