changelog: add header

Vadim Platonov · Vadim Platonov · commit e4053867a4cb · 2017-05-07T19:50:12.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,5 @@
+# Changelog
+
 ## 0.3.0
 
 ### Breaking changes
