add file

server.js

@@ -1,4 +1,11 @@
 require('dotenv').config()
+const swaggerUi = require('swagger-ui-express');
+const YAML = require('yamljs');
+const path = require('path');
+const swaggerPath = path.join(__dirname, 'swagger.yml');
+const swaggerDoc = YAML.load(swaggerPath);
+
+
 const express = require('express')
 const http = require('http')
 const socketIo = require('socket.io')
@@ -105,6 +112,7 @@ const io = socketIo(server, {
 })
 
 app.use(express.json({ limit: '50mb' }))
+app.use('/docs', swaggerUi.serve, swaggerUi.setup(swaggerDoc));
 
 // Middleware
 function validateApiKey(req, res, next) {