chore(release): v0.21.0 [skip ci]

## [0.21.0](v0.20.1...v0.21.0) (2026-07-28)

### ✨ 新功能

* **website:** add Baidu site verification meta tag ([858666f](858666f))

Author: semantic-release-bot

CHANGELOG.md

@@ -3,6 +3,12 @@
 本项目所有值得关注的变更都会记录在此文件中。
 版本号遵循 [语义化版本 SemVer](https://semver.org/lang/zh-CN/)，提交信息遵循 [Conventional Commits](https://www.conventionalcommits.org/zh-hans/)。
 
+## [0.21.0](https://github.com/Aparencia/KeBan/compare/v0.20.1...v0.21.0) (2026-07-28)
+
+### ✨ 新功能
+
+* **website:** add Baidu site verification meta tag ([858666f](https://github.com/Aparencia/KeBan/commit/858666f1a4afb5221e4b73883d8ffa48b467e899))
+
 ## [0.20.1](https://github.com/Aparencia/KeBan/compare/v0.20.0...v0.20.1) (2026-07-27)
 
 ### 🐛 缺陷修复

client/package-lock.json

@@ -2,7 +2,7 @@
   "name": "entropy-decrease",
   "productName": "Entropy decrease",
   "private": true,
-  "version": "0.20.1",
+  "version": "0.21.0",
   "description": "熵减 - 跨端学习平台",
   "author": "Entropy Decrease Team",
   "main": "dist-electron/electron/main.js",

client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "website",
-  "version": "0.20.1",
+  "version": "0.21.0",
   "private": true,
   "scripts": {
     "dev": "next dev",