Update documentation page with details about project

[oxhacks]

Now that Klaxer is more fully formed in nature, write up a basic overview and splash screen for users to hit. Point the user to the klaxer/klaxer project.

[schalkneethling]

Grabbing it.

[schalkneethling]

@JayKwon Hey, so I am getting ready to work on this. Is my understanding correct that you essentially want to update the page here: https://klaxer.github.io/ to provide more details about the project, goals etc. and then link to the main Github repo here: https://github.com/klaxer/klaxer