[wakelock] add macOS Podspec (#111)

* Create wakelock.podspec

* Update CHANGELOG.md

* Update pubspec.yaml

+## 0.5.1+1
+
+* Added Podspec to the `wakelock` package to avoid build issues on macOS.
+
 ## 0.5.1
 ## 0.5.1
 
 
 * Resolved a crash on iOS which was caused by 2 observers on idleTimerDisabled.
 * Resolved a crash on iOS which was caused by 2 observers on idleTimerDisabled.

+#
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
+#
+Pod::Spec.new do |s|
+  s.name             = 'wakelock'
+  s.version          = '0.0.1'
+  s.summary          = 'No-op implementation of the macos wakelock plugin to avoid build issues on macos'
+  s.description      = <<-DESC
+  No-op implementation of the wakelock plugin to avoid build issues on macos.
+  https://github.com/flutter/flutter/issues/46618
+                       DESC
+  s.homepage         = 'https://github.com/creativecreatorormaybenot/wakelock'
+  s.license          = { :file => '../LICENSE' }
+  s.author           = { 'creativecreatorormaybenot' => 'creativecreatorormaybenot@gmail.com' }
+  s.source           = { :path => '.' }
+  s.source_files = 'Classes/**/*'
+  s.public_header_files = 'Classes/**/*.h'
+
+  s.platform = :osx
+  s.osx.deployment_target = '10.11'
+end

@@ -2,7 +2,7 @@ name: wakelock
 description: >-2
 description: >-2
   Plugin that allows you to keep the device screen awake, i.e. prevent the screen from sleeping on
   Plugin that allows you to keep the device screen awake, i.e. prevent the screen from sleeping on
   Android, iOS, macOS, Windows, and web.
   Android, iOS, macOS, Windows, and web.
-version: 0.5.1
+version: 0.5.1+1
 homepage: https://github.com/creativecreatorormaybenot/wakelock/tree/master/wakelock
 homepage: https://github.com/creativecreatorormaybenot/wakelock/tree/master/wakelock
 
 
 environment:
 environment: