Update manifest.json

added release 0.4.1

manifest.json

@@ -4,7 +4,8 @@
       "repo": "catalogicsoftware/cloudcasa-rancher-extension",
       "branch": "gh-pages",
       "versions": [
-        "0.4.0"
+        "0.4.0",
+        "0.4.1"
       ]
     },
     "kamaji": {