Add coin wiki pages

[parrot9design]

To help with the Coingecko integration and provide more info about the assets on Balanced, let's add these coin wiki pages.

You'll access them from the Tokens section of the Stats page:

Click on one of the assets for more information:

The design/code for this can be found here: http://balanced-development.s3-website-us-east-1.amazonaws.com/stats-dev/

[parrot9design]

Closing this, as it will be too difficult to maintain as more tokens are supported.