update birthdays to have a view command and a private command to be able to hide your birthday

src/main/java/cc/fascinated/bat/features/birthday/UserBirthday.java

@@ -0,0 +1,27 @@
+package cc.fascinated.bat.features.birthday;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.Date;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+public class UserBirthday {
+    /**
+     * The user's birthday
+     */
+    private Date birthday;
+
+    /**
+     * If the birthday should be hidden
+     */
+    private boolean hidden;
+}