Update the Podspec with umbrella headers

Author: dreampiggy

Diff for: SDWebImageLottiePlugin.podspec

@@ -30,7 +30,7 @@ TODO: Add long description of the pod here.
   s.osx.deployment_target = '10.10'
   s.tvos.deployment_target = '9.0'
 
-  s.source_files = 'SDWebImageLottiePlugin/Classes/**/*'
+  s.source_files = 'SDWebImageLottiePlugin/Classes/**/*', 'SDWebImageLottiePlugin/Module/SDWebImageLottiePlugin.h'
 
   s.pod_target_xcconfig = {
     'SUPPORTS_MACCATALYST' => 'YES',

Diff for: SDWebImageLottiePlugin/Module/SDWebImageLottiePlugin.h

@@ -16,4 +16,6 @@ FOUNDATION_EXPORT const unsigned char SDWebImageLottiePluginVersionString[];
 
 // In this header, you should import all the public headers of your framework using statements like #import <SDWebImageLottiePlugin/PublicHeader.h>
 
-
+#import <SDWebImageLottiePlugin/LOTAnimationView+WebCache.h>
+#import <SDWebImageLottiePlugin/LOTAnimatedControl+WebCache.h>
+#import <SDWebImageLottiePlugin/LOTAnimatedImage.h>