change readingtime position to top

layout/post.swig

@@ -9,6 +9,7 @@
   {%- if theme.readingTime -%}
   <script>$(()=>{setTimeout(()=>{iziToast.show({
         title: 'tips',
+        position: 'topRight',
         message: "此文章预计阅读 {{ readingTime(page.content, '分钟', 150) }}哦~"
   })}, 3000)})</script>
   {%- endif -%}