Fix: Copy assets files instead of symlinks for deployment

Author: Ncerzzk

.gitignore

@@ -2,3 +2,4 @@ node_modules
 .vitepress/dist
 .vitepress/cache
 public/manuals/*.pdf
+public/manuals/*/

scripts/build-manuals.sh

@@ -33,14 +33,12 @@ typst compile main.typ ../../public/manuals/flight-controller-manual.pdf
 cd ../..
 
 echo ""
-echo "创建 assets 软链接..."
-cd public/manuals
-ln -sf ../../manuals/Android-ELRS-manual/assets Android-ELRS-manual
-ln -sf ../../manuals/flight-controller-manual/assets flight-controller-manual
-cd ../..
+echo "复制 assets 资源文件..."
+cp -r manuals/Android-ELRS-manual/assets public/manuals/Android-ELRS-manual
+cp -r manuals/flight-controller-manual/assets public/manuals/flight-controller-manual
 
 echo ""
 echo "手册编译完成！"
 echo "- Android-ELRS 手册: public/manuals/android-elrs-manual.pdf"
 echo "- 飞控手册: public/manuals/flight-controller-manual.pdf"
-echo "- Assets 软链接已创建"
+echo "- Assets 资源文件已复制"