Adds Guide section for documentation

Have to check with Seth what the plan was for adding text
Added section for guide in setup.js, all commented right now

- Need to change "l" to "d"
Fixes identifying letter at beginning of target data being wrong
Actually understand what Seth was doing now, currently implementing
Places placeholder text for guide items
Adjusts comments
Merge pull request #20 from knod/docsguide

Docsguide