Bumb version number and update changelog

CHANGELOG.md

-## 0.0.1
+## 1.0.0
 
-* TODO: Describe initial release.
+* Initial release.

ios/permission_handler.podspec

@@ -3,7 +3,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'permission_handler'
-  s.version          = '0.0.1'
+  s.version          = '1.0.0'
   s.summary          = 'Permission plugin for Flutter.'
   s.description      = <<-DESC
 Permission plugin for Flutter. This plugin provides a cross-platform (iOS, Android) API to request and check permissions.

pubspec.yaml

 name: permission_handler
 description: Permission plugin for Flutter. This plugin provides a cross-platform (iOS, Android) API to request and check permissions.
-version: 0.0.1
+version: 1.0.0
 author: Baseflow <hello@baseflow.com>
 homepage: https://github.com/baseflowit/flutter-permission-handler