Update README.md

Author: raiyan000

README.md

@@ -1,2 +1,8 @@
 # RESTAPI-JWT-Authentication
 I have created a web rest api, having Registration and Login with JWT(Jason Web Tokens)Authentication.
+# Screenshots
+![Screenshot (54)](https://github.com/raiyan000/RESTAPI-JWT-Authentication/assets/121044622/eda793be-7e43-4160-8e2f-97fedc666089)
+![Screenshot (55)](https://github.com/raiyan000/RESTAPI-JWT-Authentication/assets/121044622/966df5a9-6d74-4770-b2de-365591f49bf9)
+![Screenshot (56)](https://github.com/raiyan000/RESTAPI-JWT-Authentication/assets/121044622/6f4bf60a-fcc2-4950-8bec-d72b8f227e87)
+![Screenshot (57)](https://github.com/raiyan000/RESTAPI-JWT-Authentication/assets/121044622/53ed5322-c086-4987-890f-ff80762ca2cd)
+![Screenshot (58)](https://github.com/raiyan000/RESTAPI-JWT-Authentication/assets/121044622/c5a9cd5d-957e-42a5-b0c9-0a10919e0a68)