📝 Update changelogs

app/changelogs/v2.8.8.md

@@ -2,6 +2,14 @@
 
 In this version, a single document can be exported to more formats, such as reStructuredText, AsciiDoc, Textile, and OPML.
 
+### More than 10,000 GitHub stars
+
+At the eve of this version release, SiYuan's star count on GitHub just exceeded 10K, thanks for your support.
+
+If you haven't starred yet and think SiYuan is doing well, please give a star to help promote it, thank you very much!
+
+[https://github.com/siyuan-note/siyuan](https://github.com/siyuan-note/siyuan)
+
 ## Changelogs
 
 Below are the detailed changelogs.

app/changelogs/v2.8.8_zh_CN.md

@@ -2,6 +2,14 @@
 
 在该版本中，单个文档可以导出更多格式了，比如 reStructuredText、AsciiDoc、Textile 和 OPML 等。
 
+### GitHub 星标破万
+
+这个版本发布前夕，SiYuan 在 GitHub 上的星标数刚刚超过了 10K，感谢大家的支持。
+
+如果你还没有标星并且觉得思源做的还不错，请给颗星帮助推广，非常感谢！
+
+[https://github.com/siyuan-note/siyuan](https://github.com/siyuan-note/siyuan)
+
 ## 变更记录
 
 以下是详细的变更记录。