NCBACK-33 add verification logic

src/main/java/ru/soune/nocopy/entity/user/EmailVerificationToken.java

@@ -28,4 +28,8 @@ public class EmailVerificationToken {
 
     @Column(name = "created_at", nullable = false)
     private LocalDateTime createdAt;
+
+    public boolean isExpired() {
+        return LocalDateTime.now().isAfter(expiresAt);
+    }
 }

src/main/java/ru/soune/nocopy/entity/user/User.java

@@ -69,7 +69,7 @@ public class User {
     private LocalDateTime lastLoginAt;
 
     @Column(name = "is_active")
-    private Boolean isActive = false;
+    private boolean isActive = false;
 
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     @JsonIgnore