Begin porting information from word doc to readme front page

[upinblayze]

Acceptance criteria:

• intro
• repository setup instructions
• device setup instructions
• overview of device, what does it do and why do it
• development/research participant info (maybe)

[jmicrobe]

Assigning the biologists to this for the "overview of device, what does it do and why do it", mostly for the why part.

[jmicrobe]

bio stuff has been update in the intro