feat:增加博客搜索功能

lib/apis/blog.dart

@@ -35,6 +35,15 @@ Future<List<Blog>> queryBlogByConditionApi(
   );
 }
 
+Future<List<BlogSearch>> searchBlog(String keyword) {
+  return HttpUtil().get<List<BlogSearch>>(
+    "/blog/search",
+    queryParameters: {"keyword": keyword},
+    converter:
+        (data) => convertListResponse<BlogSearch>(data, BlogSearch.fromJson),
+  );
+}
+
 Future<Blog> queryBlogByIdApi(int id) {
   return HttpUtil().get<Blog>(
     "/blog/$id/content",