reference wiki for development/contributing

Author: timwis

CONTRIBUTING.md

@@ -0,0 +1 @@
+Please see the [Architecture](https://github.com/timwis/jkan/wiki/Architecture) page in the wiki.

README.md

@@ -20,7 +20,4 @@ See [Get Started](https://jkan.io/#get-started) on [jkan.io](https://jkan.io)
 For configuration details, see the [wiki](https://github.com/timwis/jkan/wiki)
 
 ## Development
-* Requires [Jekyll](http://jekyllrb.com), a ruby thing
-* Run a web server that recompiles on changes using `jekyll serve --baseurl ""`. Add the experimental `--incremental`
-flag for faster recompilation.
-* Committing to the `gh-pages` branch will automatically compile the jekyll site 
+Please see the [Architecture](https://github.com/timwis/jkan/wiki/Architecture) page in the wiki.