feat: add changelog

Author: michaeldaineka

changelog.md

@@ -0,0 +1,86 @@
+# Changelog
+ 
+## [5.2.1]
+ 
+### Updated
+
+- Update readme
+ 
+## [5.2.0]
+ 
+### New Features
+
+- Update bootstrap to 4.3.1
+
+## [5.1.1]
+
+### Fixed
+
+- Fix fullcalendar in prod
+
+## [5.1.0]
+
+### Updated
+
+- Update readme
+
+## [5.1.0]
+
+### Fixed
+
+- Fixed bugs
+
+## [5.0.0]
+
+### New Features
+
+- Added Node.js integration with Postgresql database;
+- Added full authentication service;
+- Added backend data to the Analytics page;
+- Added E-commerce management page with CRUD products interacting;
+- Bound E-commerce grid and product page with backend data too.
+
+## [4.9.0]
+
+### New Features
+
+- Added theme switcher
+
+## [4.8.0]
+
+### Fixed
+
+- Fixed node sass compiling warnings
+
+## [4.7.0]
+
+### Updated
+
+- Updated to 8th angular version
+
+## [4.6.0]
+
+### New Features
+
+- Added new charts components
+- Added Analytics page
+- Added new ui-elements components
+
+## [4.5.0]
+
+### New Features
+
+- Add core pages
+
+## [4.4.1]
+
+### Updated
+
+- Minor packages update
+
+## [4.4.0]
+
+### New Features
+
+- New design (light version)
+