Update powered-by-gen3.md (#309)

fix (#140)

clarified project code language (#101)

"Data Contribution" updated with new upload flow (#35)

* updating gen3.org user docs with new upload flow

* updates to upload docs

* Updated Upload Flow Documentation

* added data-types.md to config.yaml so it shows up in ToC

* updates

* updates

PXP-2115 Feat/update gen3 client page (#33)

* docker run locally

* updated old instructions including bulk

* updated to adpot gen3-client changes

* 1. gramma fixes
2. more context when windmill is involved

* add an image for finding template tsvs

* 1. focus on the new flow
2. restructured sections