📝 bump CHANGELOG.md

Author: hronro

CHANGELOG.md

@@ -7,8 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Added
+## [1.0.0]
 
+### Added
 - [CHANGELOG.md](https://github.com/hronro/iPortForwarder/blob/master/CHANGELOG.md). All the notable changes will be documented in this file from this release.
 - Enable [App Sandbox](https://developer.apple.com/documentation/security/app-sandbox) for better security.
 - Allow using domain names (previously only IP addresses were allowed). When input in a valid IPv4/Ipv6 address, an icon will be shown to indicate the type of the input.