Update changelog for 1.0.0 release

Author: terry.kern

CHANGELOG.md

@@ -8,10 +8,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 ### Changed
-- Extend the README.md file #2
-- Update PHP version to 7.1.x
-- Update PHP version to 7.2.x
-- Upgrade CakePHP version to 4.0.x
 
 ### Deprecated
 
@@ -21,6 +17,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security
 
+## [1.0.0](https://github.com/orca-services/cakephp-feature-flags/tags/1.0.0)
+### Changed
+- Extend the README.md file #2
+- Update PHP version to 7.1.x
+- Update PHP version to 7.2.x
+- Upgrade CakePHP version to 4.0.x
+
 ## [0.1.0](https://github.com/orca-services/cakephp-feature-flags/tags/0.1.0)
 ### Added
 - Added project ot GitHub #1