🏷 Release 1.20.0

[calkinsh]

Release 1.20.0

Summary

• Emojis: ? x4, 📝 x1, 🐛 x1, 🔥 x1
• Categories: Documentation x1, Removals x1, Fixes x1, Other Changes x4

New features and changes

• #627 - :sparkles: add snRNAseq experiment strategy - cf23ffe8 by calkinsh
• #621 - :sparkles: Add Saliva Kit to SAMPLE_PROCUREMENT_ENUM for Letra - 18ad0315 by r3m0chop
• #625 - :bug: Fix port mapping in docker-compose - 634ffca7 by znatty22
• #614 - 📝 point documentation at the kidsfirstdrc.org domain, not kids-first.io - b080a869 by chris-s-friedman
• #622 - 🐛 Fix indexd POST error handling - 73755b5c by znatty22
• #623 - :busts_in_silhouette: Add codeowners - 232cc46e by znatty22
• #620 - 🔥 Remove existing .DS_Store files and update .gitignore - 3903b983 by r3m0chop