Add changelog

Author: deathaxe

messages.json

@@ -41,5 +41,6 @@
 	"3.1.4": "messages/3.1.4.md",
 	"3.1.5": "messages/3.1.5.md",
 	"3.1.6": "messages/3.1.6.md",
-	"3.1.7": "messages/3.1.7.md"
+	"3.1.7": "messages/3.1.7.md",
+	"3.1.8": "messages/3.1.8.md"
 }

messages/3.1.8.md

@@ -0,0 +1,15 @@
+# MarkdownEditing 3.1.8 Changelog
+
+Your _MarkdownEditing_ plugin is updated. Enjoy new version. For any type of
+feedback you can use [GitHub issues][issues].
+
+## Bug Fixes
+
+* Fix GFM auto-link termination
+* Add support for pandoc attributes in reference definitions (#712)
+
+## New Features
+
+## Changes
+
+[issues]: https://github.com/SublimeText-Markdown/MarkdownEditing/issues