add a slower quickstart with configuration?

[ctb]

add the key four steps to the README, https://hackmd.io/ZCX_8yx4QLOExT7dCjK3zQ?view#Doing-things-%E2%80%9Cthe-workflow-way%E2%80%9D

[ctb]

cc @raynamharris

[raynamharris]

also, include some of the motivating sentences like "instead of running trimming and FastQC manually, let’s do them with the eelpond workflow."