doc: create CHANGELOG.md

Author: StrangeRanger

hardening/SSHD Hardening/CHANGELOG.md

@@ -0,0 +1,63 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## v1.1.3 - 2024-04-13
+
+### Changed
+
+- Improved documentation and comments of code.
+
+## v1.1.1 - 2022-07-13
+
+### Changed
+
+- Changed how the variables used to change the color of output text, are formatted, in the hopes of increasing portability.
+- Exit codes beyond 1, were reverted back to 1.
+- Other efficiency changes.
+
+## v1.1.0 - 2022-07-10
+
+### Added
+
+- Sets `KbdInteractiveAuthentication` to `KbdInteractiveAuthentication no`.
+  - This setting is introduced in Ubuntu 22.04, seeming to replace `ChallengeResponseAuthentication`.
+- Asks if the end user would like to overwrite the existing backup of `sshd_config`, if it exists.
+
+### Changed
+
+- Modified exit codes.
+- Modified the output text, depending on whether the specific configurations have already been set.
+- Updated the flags and regex used by `sed` to set the configurations.
+
+## v1.0.3 - 2020-12-01
+
+### Changed
+
+- Changed commenting style.
+
+### Fixed
+
+- Added missing variable to `echo`, resulting in the text color to remain cyan.
+
+## v1.0.2 - N/A
+
+### Added
+
+- Checks if `sshd_config` exists before attempting to modify the file.
+
+## v1.0.1 - N/A
+
+### Added
+
+- Now prompts the user before performing actions.
+
+### Fixed
+
+- Fixed script not wanting to run as root.
+
+## v1.0.0
+
+- Initial creation.