Update Podspec

Author: Rad Azzouz

react-native-pspdfkit.podspec

@@ -14,5 +14,6 @@ Pod::Spec.new do |s|
   s.source       = { :git => "https://github.com/PSPDFKit/react-native" }
   s.source_files = "ios/*.{xcodeproj}", "ios/RCTPSPDFKit/*.{h,m,swift}", "ios/RCTPSPDFKit/Converters/*.{h,m,swift}"
   s.dependency 'React'
+  s.dependency 'PSPDFKit'
   s.frameworks = 'UIKit'
 end