完善前端blog types声明

tone-page-web/lib/types/blog.ts

@@ -0,0 +1,12 @@
+export type BlogPermission =
+    'public' |
+    'password' |
+    'listed';
+
+export interface Blog {
+    id: string;
+    title: string;
+    description: string;
+    publish_at: string;
+    permissions: BlogPermission[];
+}