Release Prep V2.1

[samuel-marsh]

• LIGER Fixes
• GitHub Issues
• Update Vignettes new functions/parameters
• Update sections that are now generics
• Conversion Vignette
• Update pkgdown yaml new concept object_conversion
• Liger plotting check for reduction_key
• Create new vignette for Updated_HGNC_Symbols
• pkgdown site build
• GitHub Actions Check (Is Mac OS issue resolved?)
• Multigroup dotplot (https://divingintogeneticsandgenomics.com/post/how-to-make-a-multi-group-dotplot-for-single-cell-rnaseq-data/)

[samuel-marsh]

submitted

[samuel-marsh]

Reopening to address ggplot 3.5.0 (really ggprism) related check failures.

• checks passing?