Add resource file for Vietnamese language.
Remove the unneeded Resources.vi.designer.cs file.
Add unit tests for VI language
Update release notes file to include Vietnamese language.
removed redundant tests
Merge branch 'Vietnamese'
add huminization of collections
added xml comment for CollectionFormatters
FormatForDisplay -> Humanize
backfilling some missing tests
Remove unnecessary trim
tidied up the collection.humanize tests
Merge branch 'CollectionHumanize'
releasing v1.26.1