improvement: 主頁分頁會定位到文章區域 close #519

fix: 修復設置highlight_height_limit後，highlight_shrink點擊無效的bug close #520

layout/includes/pagination.pug

@@ -6,11 +6,7 @@
     escape: false
   }
 
-if(!is_post())
-  nav#pagination
-    div.pagination
-      !=paginator(options)
-else
+if is_post()
   - let prev = theme.post_pagination === 1 ? page.prev : page.next
   - let next = theme.post_pagination === 1 ? page.next : page.prev
   nav#pagination.pagination-post
@@ -38,4 +34,10 @@ else
             img.next-cover(src=url_for(pagination_cover) onerror=`onerror=null;src='${url_for(theme.error_img.post_page)}'` alt='cover of next post')
           .pagination-info
             .label=_p('pagination.next')
-            .next_info=next.title 
+            .next_info=next.title
+else
+  nav#pagination
+    .pagination
+      if is_home()
+        - options.format = 'page/%d/#content-inner'
+      !=paginator(options)