dev add notification entity

src/main/java/ru/soune/nocopy/entity/tarif/TariffTimeTerm.java

@@ -2,14 +2,21 @@ package ru.soune.nocopy.entity.tarif;
 
 import lombok.Getter;
 
+import java.util.List;
+
 @Getter
 public enum TariffTimeTerm {
-    MONTHLY(30),YEAR(365);
+    MONTHLY(30, "MONTHLY"),YEAR(365, "YEAR");
 
     private final Integer days;
+    private final String name;
 
-    TariffTimeTerm(Integer days) {
+    TariffTimeTerm(Integer days, String name) {
         this.days = days;
+        this.name = name;
     }
 
+    public static List<String> validTerms() {
+        return List.of(MONTHLY.name(), YEAR.name());
+    }
 }