docs: update demo pages

content/archives/index.en.html

@@ -1,6 +1,5 @@
 ---
 title: "Archives"
-date: 2023-04-20
 draft: false
 layout: archives
 menu:

content/archives/index.zh-CN.html

@@ -1,6 +1,5 @@
 ---
 title: "归档"
-date: 2023-04-20
 draft: false
 layout: archives
 menu:

content/categories/_index.en.md

@@ -1,4 +1,5 @@
 ---
+title: "Categories"
 menu:
   main:
     name: Categories

content/categories/_index.zh-CN.md

@@ -1,4 +1,5 @@
 ---
+title: "分类"
 menu:
   main:
     name: 分类

content/tags/_index.en.md

@@ -1,4 +1,5 @@
 ---
+title: "Tags"
 menu:
   main:
     name: Tags

content/tags/_index.zh-CN.md

@@ -1,4 +1,5 @@
 ---
+title: "标签"
 menu:
   main:
     name: 标签