fix: Fix podspec to be compliant with latest Cocoapods (#191)

Author: fnando

package.json

@@ -29,7 +29,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/tradle/react-native-udp"
+    "url": "https://github.com/tradle/react-native-udp.git"
   },
   "keywords": [
     "react-native",

react-native-udp.podspec

@@ -10,7 +10,7 @@ Pod::Spec.new do |s|
   s.license        = package_json["license"]
   s.author         = { package_json["author"] => package_json["author"] }
   s.platform       = :ios, "7.0"
-  s.source         = { :git => package_json["repository"]["url"].gsub(/(http.*)/).first, :tag => "v#{s.version}" }
+  s.source         = { :git => package_json["repository"]["url"], :tag => "v#{s.version}" }
   s.source_files   = 'ios/**/*.{h,m}'
   s.dependency 'React-Core'
   s.dependency 'CocoaAsyncSocket'