Transition to Hugo Image Processing (#173)

* Update layout to use Hugo Image Processing.

Created shortcode rimg that uses the srcset attribute to display responsive images.

* Copy Static images to assets folder.

* Add image processing to missing components + Update examples

* Fix rendering in https://themes.gohugo.io/

Co-authored-by: Emruz Hossain <emruz@appscode.com>

.gitignore

@@ -1,4 +1,5 @@
 .vscode/
 node_modules/
 .DS_Store
-.history/
+.history/
+resources/