Implement TODO tasks

src/main/java/dev/model/User.java

@@ -10,4 +10,26 @@ public class User {
 
     private String email;
 
+    public User(int id, String username, String password, String email) {
+        this.id=id;
+        this.username=username;
+        this.password=password;
+        this.email=email;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public int getId() {
+        return id;
+    }
 }