create function to generate and verify JWT Token

.env.example

@@ -13,3 +13,5 @@ PW_API_URL=
 PW_CLIENTID=
 PW_CLIENTSECRET=
 PW_ORG_ID=
+
+JWT_SECRET=

src/utils/jwtUtils.ts

@@ -0,0 +1,17 @@
+import jwt from 'jsonwebtoken';
+
+const JWT_SECRET = process.env.JWT_SECRET;
+
+export const generateToken = (payload: any) => {
+    if (!JWT_SECRET) {
+        throw new Error('JWT_SECRET is not defined in environment variables.');
+      }
+    return jwt.sign(payload, JWT_SECRET, { expiresIn: '1d' });
+}
+
+export const verifyToken = (token: string) => {
+    if (!JWT_SECRET) {
+        throw new Error('JWT_SECRET is not defined in environment variables.');
+      }
+    return jwt.verify(token, JWT_SECRET);
+}