Added some migrations and Simple GUI

src/main/java/ui/MyFrame.java

@@ -0,0 +1,36 @@
+package ui;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class MyFrame extends JFrame {
+    JPanel mainPanel = new JPanel(new CardLayout());
+
+    public void changePanel(String panel) {
+
+    }
+
+    public MyFrame() {
+        super("Todo App");
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setSize(800, 600);
+        setLocation(50, 50);
+        setLayout(new CardLayout());
+
+        JPanel startPanel = new JPanel();
+        JButton loginButton = new JButton("Login");
+
+        startPanel.add(loginButton);
+        mainPanel.add(startPanel, "start");
+        mainPanel.add(LoginPanel.getLoginPanel(), "login");
+
+        loginButton.addActionListener(e -> {
+            CardLayout cl = (CardLayout)mainPanel.getLayout();
+            cl.show(mainPanel, "login");
+        });
+
+        add(mainPanel);
+
+        setVisible(true);
+    }
+}