update changelog

Author: mansona

CHANGELOG.md

@@ -1,7 +1,22 @@
-### 2.2.0
-- Remove need for consuming app to configure `ember-cli-bootstrap` addon #87 @ppcano
-- Refer to Discord vs. Slack Fixes #85 @sivakumar-kailasam
-- updated the blog header component to remove unnecessary complexity #81 @MelSumner
-- list component refactor, added contributor invite #80 @MelSumner
-- updated the button component and supporting documentation #79 @MelSumner
-- Use ember-cli-addon-docs for dummy app #76 @hakilebara
+
+2.3.0 / 2018-10-23
+==================
+
+  * Fix display of section tags #102 @mansona
+  * Update Testing Setup #107 @aklkv
+  * Upgrade Ember #105 @aklkv
+  * Fixing Mascot Image on es-note component #90 @mansona
+  * Include trademark symbol on the Ember logo #96 @BradenLawrence
+  * Fix line height of headers #97 @underoot
+  * Export `sass` modules on `ember-styleguide` namespace #88 @ppcano
+  * Footer: separate data from the component #89 @ppcano
+
+2.2.0 / 2018-09-12
+==================
+
+  * Remove need for consuming app to configure `ember-cli-bootstrap` addon #87 @ppcano
+  * Refer to Discord vs. Slack Fixes #85 @sivakumar-kailasam
+  * updated the blog header component to remove unnecessary complexity #81 @MelSumner
+  * list component refactor, added contributor invite #80 @MelSumner
+  * updated the button component and supporting documentation #79 @MelSumner
+  * Use ember-cli-addon-docs for dummy app #76 @hakilebara