Updating docs based on conversation with Geraldine.
Updating docs based on conversation with Geraldine.

Updating link

Testing link

Finished the create PoN workflow description/examples

Fixed formatting issue.

Fixed formatting issue.

Fixed missing data in example

broadinstitute/gatk-protected,broadinstitute/gatk-protected,broadinstitute/gatk-protected,broadinstitute/gatk-protected,broadinstitute/gatk-protected,broadinstitute/gatk-protected