* Refactor docs
Add more screenshots
Add links at top of README and FAQs for easy access
Consolidate and categorize advanced configurations
Add known issues and mitigation steps
Add a doc with instructions to convert from existing
Delete quickstart and germline pipeline instructions
Add links to CoA common workflows
GCP WDL to CoA WDL
Restructure README & example workflow
* Incorporate feedback
Categorize README links at the top
Fix "preemptible" attribute use guidance; add other unsupported attribute to list
Update screenshots
Grammar and spelling changes