Introduced subpecs

default for the spec is RN
RCT and FaceDetector need to be included
explicitly,.

react-native-camera.podspec

@@ -15,8 +15,21 @@ Pod::Spec.new do |s|
   s.requires_arc   = true
   s.platform       = :ios, '8.0'
 
+  s.subspec "RCT" do |ss|
+    ss.source_files = "ios/RCT/**/*.{h,m}"
+  end
+
+  s.subspec "RN" do |ss|
+    ss.source_files = "ios/RN/**/*.{h,m}"
+  end
+
+  s.subspec "FaceDetector" do |ss|
+    ss.source_files = "ios/FaceDetector/**/*.{h,m}"
+  end
+
+  s.default_subspec = "RN"
+
   s.preserve_paths = 'LICENSE', 'README.md', 'package.json', 'index.js'
-  s.source_files   = 'ios/**/*.{h,m}'
 
   s.dependency 'React'
 end