INC-1 add login function

src/main/java/ru/soune/no_copy/exception/NotValidationPasswordException.java

@@ -0,0 +1,7 @@
+package ru.soune.no_copy.exception;
+
+public class NotValidationPasswordException extends RuntimeException {
+    public NotValidationPasswordException(String message) {
+        super(message);
+    }
+}

src/main/java/ru/soune/no_copy/exception/UserNotFoundException.java

@@ -0,0 +1,7 @@
+package ru.soune.no_copy.exception;
+
+public class UserNotFoundException extends RuntimeException {
+    public UserNotFoundException(String message) {
+        super(message);
+    }
+}