Bring back the CHANGELOG template

package.json

@@ -90,7 +90,7 @@
   },
   "@lifion/core-commons": {
     "template": "public",
-    "updated": "2019-08-26T23:04:23.859Z",
+    "updated": "2019-08-26T23:26:21.918Z",
     "version": "2.3.3"
   }
 }

templates/CHANGELOG.hbs

@@ -0,0 +1,23 @@
+## Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
+
+{{#each releases}}
+  ### {{title}} ({{isoDate}})
+
+  {{#each merges}}
+    - {{#if href}}[`#{{id}}`]({{href}}): {{/if}}{{message}}
+  {{/each}}
+  {{#each fixes}}
+    - {{commit.subject}}{{#each fixes}}{{#if href}} [`#{{id}}`]({{href}}){{/if}}{{/each}}
+  {{/each}}
+  {{#each commits}}
+    - {{#if href}}[`{{shorthash}}`]({{href}}): {{/if}}{{subject}}
+  {{/each}}
+
+{{/each}}