Update changelog

CHANGELOG.md

@@ -0,0 +1,13 @@
+
+# Changelog
+All notable changes to rattail-shinken 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).
+
+## [0.5] - 2018-12-12
+### Changed
+- Add `check_supervisor_process` command.
+
+## [0.4] - ??
+(Changelog not kept for this and older versions.)

package.json

@@ -1,7 +1,7 @@
 {
     "name": "rattail",
     "types": ["pack"],
-    "version": "0.4",
+    "version": "0.5",
     "homepage": "https://rattailproject.org/",
     "author": "Lance Edgar",
     "contributors": [