Make headers private or public in SwiftPM and Cocoapods

Author: ledyba-z

Package.swift

@@ -28,7 +28,7 @@ let package = Package(
             dependencies: ["SDWebImage", "libavif"],
             path: ".",
             sources: ["SDWebImageAVIFCoder/Classes"],
-            publicHeadersPath: "SDWebImageAVIFCoder/Classes"
+            publicHeadersPath: "SDWebImageAVIFCoder/Classes/Public"
         )
     ]
 )

SDWebImageAVIFCoder.podspec

@@ -34,6 +34,8 @@ Which is built based on the open-sourced libavif codec.
   s.watchos.deployment_target = '2.0'
 
   s.source_files = 'SDWebImageAVIFCoder/Classes/**/*', 'SDWebImageAVIFCoder/Module/SDWebImageAVIFCoder.h'
+  s.public_header_files  = 'SDWebImageAVIFCoder/Classes/Public/*.{h,m}'
+  s.private_header_files = 'SDWebImageAVIFCoder/Classes/Private/*.{h,m}'
 
   s.dependency 'SDWebImage', '~> 5.0'
   s.dependency 'libavif', '~> 0.6'