Update documents to compatible jekyll-rtd-theme

docs/upgrading.md

@@ -1,28 +0,0 @@
-# Upgrading
-
-Some of the interfaces has been upgraded.
-
-
-## From version 0.4.0 to 0.5.0
-
-
-### Initialization
-
-`mermaid_config` is no longer used. Instead a call to mermaid initialize is done as in the example below:
-
-
-#### version 0.4.0
-
-```javascript
-mermaid_config = {
-    startOnLoad: true
-}
-```
-
-#### version 0.5.0
-
-```javascript
-mermaid.initialize({
-    startOnLoad: true
-})
-```