maint/dev ~ update EditorConfig (fix spelling + support nushell configs)

.editorconfig

@@ -1,8 +1,8 @@
 # EditorConfig (is awesome!; ref: http://EditorConfig.org)
 # ref: [EditorConfig ~ Level-0 Coding Standard](https://themightyprogrammer.dev/article/editor-config) @@ <https://archive.is/5wK2a>
-# v2022.07.13; rivy
+# v2022.07.30; rivy
 
-# spell-checker:ignore (words) akefile makefile makefiles MSVC POSIX VCproj
+# spell-checker:ignore (people) Roy Ivy III * rivy (words) akefile makefile makefiles EOLs EOLNs MSVC NuShell POSIX VCproj
 
 # * top-most EditorConfig file
 root = true
@@ -53,8 +53,13 @@ indent_style = space
 indent_size = 2
 indent_style = space
 
+[*.{nu,[Nn][Uu]}]
+# `nushell` script files · [NuShell](<https://www.nushell.sh>)
+indent_size = 2
+indent_style = space
+
 [*.{sln,vc{,x}proj{,.*},[Ss][Ln][Nn],[Vv][Cc]{,[Xx]}[Pp][Rr][Oo][Jj]{,.*}}]
-# MSVC sln/vcproj/vcxproj files, when used, will persistantly revert to CRLF EOLNs and eat final EOLs
+# MSVC sln/vcproj/vcxproj files, when used, will persistently revert to CRLF EOLNs and eat final EOLs
 end_of_line = crlf
 insert_final_newline = false