feat: 赞赏后台

backend/src/main/java/com/openisle/model/NotificationType.java

@@ -48,6 +48,8 @@ public enum NotificationType {
   POLL_RESULT_PARTICIPANT,
   /** Your post was featured */
   POST_FEATURED,
+  /** Someone donated to your post */
+  DONATION,
   /** You were mentioned in a post or comment */
   MENTION,
 }

backend/src/main/java/com/openisle/model/PointHistoryType.java

@@ -13,4 +13,6 @@ public enum PointHistoryType {
   REDEEM,
   LOTTERY_JOIN,
   LOTTERY_REWARD,
+  DONATE_SENT,
+  DONATE_RECEIVED,
 }