refactoring: removed unused import from LoginGUI

src/main/java/LoginGUI.java

@@ -5,9 +5,6 @@ import java.util.List;
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;
 
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-
 public class LoginGUI extends JFrame implements ActionListener {
     /**
 	 * 

user.json

@@ -7,5 +7,23 @@
     "firstName": "",
     "surname": "",
     "stayLoggedIn": false
+  },
+  {
+    "id": "89de267d-8456-4393-9fab-a5ddb36c7686",
+    "userName": "existinguser",
+    "password": "5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8",
+    "birthday": "1990-01-01",
+    "firstName": "John",
+    "surname": "Doe",
+    "stayLoggedIn": false
+  },
+  {
+    "id": "43d45e81-3540-427f-8cb9-8f279d7a18d3",
+    "userName": "testUser",
+    "password": "5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8",
+    "birthday": "1990-01-01",
+    "firstName": "John",
+    "surname": "Doe",
+    "stayLoggedIn": false
   }
 ]