iOS Sources updated: Project updated to use the CocoaPods as dependen…

…cy instead of Carthage, probuf files changed from Objective-C to Swift, iOS minimum target changed from 12 to 13

sources/iOS/ios-communications/Podfile

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+source 'https://github.com/CocoaPods/Specs.git'
+
+platform :ios, '13.0'
+use_frameworks!
+
+def rx_swift_pod  
+  pod 'RxSwift', '~> 6.5.0'
+end
+
+def swift_protobuf_pod
+  pod 'SwiftProtobuf', '~> 1.0'
+end
+
+target 'iOSCommunications' do
+  rx_swift_pod
+end
+
+target 'PolarBleSdk' do
+  swift_protobuf_pod
+  rx_swift_pod
+end
+
+target 'PolarBleSdkWatchOs' do
+  platform :watchos, '5.0'
+  swift_protobuf_pod
+  rx_swift_pod
+end
+
+target 'iOSCommunicationsTests' do
+  pod 'RxBlocking', '~> 6.5.0'
+  pod 'RxTest', '~> 6.5.0'
+end
+

sources/iOS/ios-communications/Podfile.lock

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+PODS:
+  - RxBlocking (6.5.0):
+    - RxSwift (= 6.5.0)
+  - RxSwift (6.5.0)
+  - RxTest (6.5.0):
+    - RxSwift (= 6.5.0)
+  - SwiftProtobuf (1.18.0)
+
+DEPENDENCIES:
+  - RxBlocking (~> 6.5.0)
+  - RxSwift (~> 6.5.0)
+  - RxTest (~> 6.5.0)
+  - SwiftProtobuf (~> 1.0)
+
+SPEC REPOS:
+  https://github.com/CocoaPods/Specs.git:
+    - RxBlocking
+    - RxSwift
+    - RxTest
+    - SwiftProtobuf
+
+SPEC CHECKSUMS:
+  RxBlocking: 04b5fd28bb5ea49f7d64b80db8bbfe50d9cc1c7d
+  RxSwift: 5710a9e6b17f3c3d6e40d6e559b9fa1e813b2ef8
+  RxTest: eb2d23adefc5a5ebf5779c7792fa3edfe6ebcc17
+  SwiftProtobuf: c3c12645230d9b09c72267e0de89468c5543bd86
+
+PODFILE CHECKSUM: 93cb7c855e4b50284d80ae4f68d3c7a60b4d59fc
+
+COCOAPODS: 1.10.1