update changelog and version

CHANGELOG.md

 # Changelog
 
-## [Unreleased]
+## [0.3.0] - 2019-12-24
 
-No unreleased changes yet.
+* Release candidate for beta tests
+* Added features:
+  * Single Sign on system at sso.oas.yourdomain
+  * User panel at admin.oas.yourdomain
+  * Rocket.chat version 2.1.1 at chat.oas.yourdomain
+  * Use Flux instead of Helmfile to install and update applications
+    * Flux version 1.16.0 and helm-operator version 1.0.0-rc4
+* Application updates:
+  - cert-manager 0.11.0
+  - prometheus-operator 0.34.0
+  - nginx 0.26.1
+  - nextcloud 16.0.1
+  - onlyoffice 5.4.1-2
+  - rke 0.3.2
+  - kubernetes 1.15.5
+* Fix many many bugs
 
 ## [0.2.1] - 2019-10-29
 

VERSION

-0.2.1
+0.3.0