Add a changelog, resolves #89

Author: kyb3r

CHANGELOG.md

@@ -0,0 +1,26 @@
+# 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).
+
+# v2.0.0
+
+This release introduces the use of our centralized [API service](https://github.com/kyb3r/webserver) to enable dynamic configuration, auto-updates, and thread logs. To use this release you must acquire an API token from https://dashboard.modmail.tk. Read the installation guide [here](https://github.com/kyb3r/modmail/wiki/installation).
+
+### Changed
+- Stability improvements through synchronization primitives 
+- Refactor thread management and code
+- Update command now uses `api.modmail.tk`
+- Removed `archive` command
+
+### Fixed
+- Status command now changes playing status indefinitely
+
+### Added
+- Dynamic help command
+- Dynamic configuration through `api.modmail.tk`
+- Thread logs via `logs.modmail.tk`
+- Automatic updates
+- Dynamic command aliases and snippets
+- Optional support for using a seperate guild as the operations center