Add CHANGELOG

and bump version to 0.2.0

CHANGELOG

@@ -0,0 +1,3 @@
+[0.2.0]
+- initial version
+

CloudronManifest.json

@@ -4,7 +4,7 @@
   "author": "WordPress developers",
   "description": "file://DESCRIPTION.md",
   "tagline": "Transform your site into almost anything you can imagine",
-  "version": "0.1.3",
+  "version": "0.2.0",
   "healthCheckPath": "/",
   "httpPort": 8000,
   "manifestVersion": 1,
@@ -24,5 +24,6 @@
     "https://wordpress.org/about/shots/1.5/front-2.png",
     "https://wordpress.org/about/shots/1.5/front-5.png",
     "https://wordpress.org/about/shots/1.5/front-3.png"
- ]
+ ],
+ "changelog": "file://CHANGELOG"
 }