add changelog

closes #51

Author: joshuadavidthomas

CHANGELOG.md

@@ -0,0 +1,48 @@
+# 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 attempts to adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+<!--
+## [${version}]
+### Added - for new features
+### Changed - for changes in existing functionality
+### Deprecated - for soon-to-be removed features
+### Removed - for now removed features
+### Fixed - for any bug fixes
+### Security - in case of vulnerabilities
+[${version}]: https://github.com/joshuadavidthomas/django-bird/releases/tag/v${version}
+-->
+
+## [Unreleased]
+
+### Added
+
+- Basic Neovim plugin
+
+## [5.1.0a0]
+
+### Added
+
+- Created basic crate structure:
+    - `djls`: Main CLI interface
+    - `djls-project`: Django project introspection
+    - `djls-server`: LSP server implementation
+    - `djls-template-ast`: Template parsing
+    - `djls-worker`: Async task management
+- Initial Language Server Protocol support:
+    - Document synchronization (open, change, close)
+    - Basic diagnostics for template syntax
+    - Initial completion provider
+- Basic Django template parsing foundation and support
+- Project introspection capabilities
+- Django templatetag completion for apps in a project's `INSTALLED_APPS`
+
+### New Contributors
+
+- Josh Thomas <josh@joshthomas.dev> (maintainer)
+
+[unreleased]: https://github.com/joshuadavidthomas/django-language-server/compare/v5.1.0a0...HEAD
+[5.1.0a0]: https://github.com/joshuadavidthomas/django-language-server/releases/tag/v5.1.0a0