Updated CHANGELOG.md [skip ci]

Author: zonia3000

CHANGELOG.md

@@ -4,6 +4,11 @@
 
 * Fixed bug in sandbox pages (\#839);
 * Displayed all kinds of recent task activities in tasks management page. (\#835);
+* Managed resources and profiles (\#845):
+    * Added new admin pages for resources and profiles;
+    * Updated admin user pages to associate users with profiles;
+    * Updated admin settings page;
+    * Merged "My Profile" and "My settings" pages;
 
 # 1.20.0