feat: add im kafka admin integration

server/internal/router/genrouter/im_dead_letter.go

@@ -0,0 +1,7 @@
+package genrouter
+
+import "hotgo/internal/controller/admin/sys"
+
+func init() {
+	LoginRequiredRouter = append(LoginRequiredRouter, sys.ImDeadLetter) // IM Kafka死信
+}