docs: improve frontmatter for changelog and contributing

docs/changelog.md

@@ -1,6 +1,5 @@
 ---
 title: Changelog
-author: pengzhanbo
 createTime: 2024/03/13 21:15:50
 permalink: /changelog/
 draft: true
@@ -9,6 +8,8 @@ externalLinkIcon: false
 readingTime: false
 comment: false
 editLink: false
+contributors: false
+changelog: false
 ---
 
 <!-- @include: ../CHANGELOG.md -->

docs/contributing.md

@@ -1,12 +1,13 @@
 ---
 title: 贡献指南
-author: pengzhanbo
 createTime: 2024/03/13 21:27:45
 permalink: /contributing/
 draft: true
 externalLinkIcon: false
 readingTime: false
 editLink: false
+contributors: false
+changelog: false
 ---
 
 <!-- @include: ../CONTRIBUTING.md{2-} -->