Create an application start page

[critzo]

Create a page that is displayed when the application starts with the text below:

Welcome to Commotion!

Select/edit your mesh profile above, then click the button on the right to connect.

(footer)
Commotion is an open-source communication tool that uses mobile phones, computers and other wireless devices to create decentralized mesh networks.

Learn more (link to https://commotionwireless.net)

[hawkinswnaf]

Check out 8183207

[jheretic]

@hawkinswnaf is this issue complete? Or does the dialog added by 8183207 require testing/review?