misc: Update README.md

YuKongA · web-flow · commit d6f1aa97ae2b · 2025-04-30T10:18:22.000+08:00
The original jump link seems to no longer display normally？
diff --git a/README.md b/README.md
@@ -51,4 +51,4 @@ fun App() {
 
 ### Screenshot
 
-[![screenshot](https://github.com/miuix-kotlin-multiplatform/miuix/blob/main/assets/screenshot.webp?raw=true)]()
+[![screenshot](https://raw.githubusercontent.com/miuix-kotlin-multiplatform/miuix/refs/heads/main/assets/screenshot.webp)]()

Original file line number	Diff line number	Diff line change
`@@ -51,4 +51,4 @@ fun App() {`
`51`	`51`
`52`	`52`	`### Screenshot`
`53`	`53`
`54`		`-[![screenshot](https://github.com/miuix-kotlin-multiplatform/miuix/blob/main/assets/screenshot.webp?raw=true)]()`
	`54`	`+[![screenshot](https://raw.githubusercontent.com/miuix-kotlin-multiplatform/miuix/refs/heads/main/assets/screenshot.webp)]()`