added v6.3 change logs

Author: ismcagdas

docs/en/Change-Logs.md

@@ -6,6 +6,13 @@ jQuery and ASP.NET Core + Angular versions beginning from v4.1. See
 
 The change logs in this page are just a summary of major changes. Detailed release notes are shared on the Github repository (only available to the customers).
 
+### v6.3 (2018-11-20)
+
+- Added different Metronic layout support ([demo2](https://keenthemes.com/metronic/preview/?demo=demo2) and [demo11](https://keenthemes.com/metronic/preview/?demo=demo11))
+- Implemented Entity History view per entity.
+- Upgraded to ABP v4.0.2.
+- Bug fixes and enhancements.
+
 ### v6.2 (2018-10-26)
 
 * Added different Metronic layout support ([default](https://keenthemes.com/metronic/preview/?demo=default) and [demo8](https://keenthemes.com/metronic/preview/?demo=demo8))