Add CHANGELOG entries.

Author: Shammamah Hossain

CHANGELOG.md

@@ -10,10 +10,20 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 [#597](https://github.com/plotly/dash-table/issues/597)
 - Add `is blank` unary operator. Returns true for `undefined`, `null` and `''`.
 
+[#299](https://github.com/plotly/dash-table/issues/299)
+- Additions to the pagination menu: go-to-first and go-to-last
+buttons; current-page/total-page display with input capabilities,
+which allows the user to go directly to a given page
+
+
 ### Changed
 [#598](https://github.com/plotly/dash-table/issues/598)
 - Allow values with whitespaces in column filters
 
+[#580](https://github.com/plotly/dash-table/issues/580)
+- Change pagination menu buttons styling; move pagination buttons to
+  bottom-right of table
+
 ### Fixed
 [#460](https://github.com/plotly/dash-table/issues/460)
 - The `datestartswith` relational operator now supports number comparison