add homepage information type

dist/sse.d.ts

@@ -1,12 +1,12 @@
-export interface SseClient {
+export type SseClient = {
     id: number;
     send: (data: SseEvent) => void;
-}
-export interface SseEvent {
+};
+export type SseEvent = {
     type: string;
     data?: unknown;
     message?: string;
-}
+};
 export declare class SseService {
     private clients;
     addClient(client: SseClient): void;