Port experiment layout to hexo

* Use accordion as an example
* Create experiment header and footer partials
* Update the page title based on experiment
* Switch to experiment template if page is an experiment
Use experiment wrapper class to modify base styles
Add clock experiment
Add 2d cube experiment
Add 3d cube experiments
Add media query listener experiment
Add modal experiment
Add parallax experiment
Add early perspective experiment
Add pyramid experiment
Add sphere experiment
Add webcam experiments
Move experiment js to after the jQuery include