📝 Add performance description

Related to #96 .

Author: AlexV525

README-ZH.md

@@ -51,6 +51,7 @@ Language: [English](README.md) | 中文简体
 
 - [x] ♻️ 支持基于代理重载的全量自定义
 - [x] 💚 99% 的微信风格
+- [x] ⚡️ 根据参数可调的性能优化
 - [x] 📷 图片资源支持
   - [x] 🔬HEIC 格式图片支持
 - [x] 🎥 视频资源支持

README.md

@@ -76,8 +76,9 @@ See [Migration Guide](guides/migration_guide.md).
 
 ## Features ✨
 
-- [x] ♻️ Fully implementable with delegate override.
-- [x] 💚 99% simillar to WeChat style.
+- [x] ♻️ Fully implementable with delegate override
+- [x] 💚 99% simillar to WeChat style
+- [x] ⚡️ Adjustable performance according to parameters
 - [x] 📷 Image asset support
   - [x] 🔬HEIC/HEIF Image type support
 - [x] 🎥 Video asset support