add doxy preview

docs/.vuepress/public/doxy/search/searchdata.js

@@ -0,0 +1,33 @@
+var indexSectionsWithContent =
+{
+  0: "$_abcdefghilmnopqrstuvwzå",
+  1: "abcdefhilmoprstwz",
+  2: "mz",
+  3: "abcdefghilmnoprstwz",
+  4: "_abcdefghilmnopqrstuvwz",
+  5: "$acdeflstuvwz",
+  6: "å"
+};
+
+var indexSectionNames =
+{
+  0: "all",
+  1: "classes",
+  2: "namespaces",
+  3: "files",
+  4: "functions",
+  5: "variables",
+  6: "pages"
+};
+
+var indexSectionLabels =
+{
+  0: "全部",
+  1: "结构体",
+  2: "命名空间",
+  3: "文件",
+  4: "函数",
+  5: "变量",
+  6: "页"
+};
+