vim-patch:8.2.4658: org-mode files are not recognized (#17939)

Problem:    Org-mode files are not recognized.
Solution:   Add patterns to recognize "org" files. (closes vim/vim#10046)
3a6f952cc8

runtime/lua/vim/filetype.lua

@@ -438,6 +438,8 @@ local extension = {
   opam = "opam",
   ["or"] = "openroad",
   ora = "ora",
+  org = "org",
+  org_archive = "org",
   pxsl = "papp",
   papp = "papp",
   pxml = "papp",