fix(ios): fixed homepage missing from podfile

RNSharedElement.podspec

@@ -1,16 +1,18 @@
 require 'json'
 
-package = JSON.parse(File.read(File.join(__dir__, 'package.json')))
-
 Pod::Spec.new do |s|
+
+  # NPM package specification
+  package = JSON.parse(File.read(File.join(File.dirname(__FILE__), "package.json")))
+
   s.name         = "RNSharedElement"
   s.version      = package['version']
   s.summary      = package['description']
   s.license      = package['license']
 
   s.authors      = package['author']
-  s.homepage     = package['homepage']
-  s.platform     = :ios, "9.0"
+  s.homepage     = "https://github.com/IjzerenHein/react-native-shared-element"
+  s.platforms    = { :ios => "9.0" }
 
   s.source       = { :git => "https://github.com/IjzerenHein/react-native-shared-element.git", :tag => "v#{s.version}" }
   s.source_files  = "ios/**/*.{h,m}"