INC-1 add start logic for login

src/main/java/ru/soune/no_copy/dto/LoginRequest.java

@@ -0,0 +1,12 @@
+package ru.soune.no_copy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+public class LoginRequest {
+
+    private String email;
+
+    private String password;
+}

src/main/java/ru/soune/no_copy/dto/LoginResponse.java

@@ -0,0 +1,13 @@
+package ru.soune.no_copy.dto;
+
+import lombok.Data;
+import ru.soune.no_copy.entity.User;
+
+@Data
+public class LoginResponse {
+    private boolean success;
+    private String message;
+    private User user;
+    private String token;
+    private String expiresAt;
+}