vim-patch:9.1.0322: filetype: some mail tools not recognized

Problem:  filetype: some mail tools not recognized
Solution: Detect '.mbsncrc' as conf, '.msmtprc' as msmtp
          and '.notmuch-config' as ini filetype
          (Shane-XB-Qian)

closes: vim/vim#14533

a7a9a476cf

Co-authored-by: shane.xb.qian <shane.qian@foxmail.com>

runtime/lua/vim/filetype.lua

@@ -1311,6 +1311,7 @@ local filename = {
   ['.chktexrc'] = 'conf',
   ['.ripgreprc'] = 'conf',
   ripgreprc = 'conf',
+  ['.mbsyncrc'] = 'conf',
   ['configure.in'] = 'config',
   ['configure.ac'] = 'config',
   crontab = 'crontab',
@@ -1352,6 +1353,7 @@ local filename = {
   ['.wakatime.cfg'] = 'dosini',
   ['nfs.conf'] = 'dosini',
   ['nfsmount.conf'] = 'dosini',
+  ['.notmuch-config'] = 'dosini',
   ['pacman.conf'] = 'confini',
   ['paru.conf'] = 'confini',
   ['mpv.conf'] = 'confini',
@@ -1486,6 +1488,7 @@ local filename = {
   ['mplayer.conf'] = 'mplayerconf',
   mrxvtrc = 'mrxvtrc',
   ['.mrxvtrc'] = 'mrxvtrc',
+  ['.msmtprc'] = 'msmtp',
   ['.mysql_history'] = 'mysql',
   ['/etc/nanorc'] = 'nanorc',
   Neomuttrc = 'neomuttrc',

test/old/testdir/test_filetype.vim

@@ -163,7 +163,7 @@ func s:GetFilenameChecks() abort
     \ 'cobol': ['file.cbl', 'file.cob', 'file.lib'],
     \ 'coco': ['file.atg'],
     \ 'conaryrecipe': ['file.recipe'],
-    \ 'conf': ['auto.master', 'file.conf', 'texdoc.cnf', '.x11vncrc', '.chktexrc', '.ripgreprc', 'ripgreprc', 'file.ctags'],
+    \ 'conf': ['auto.master', 'file.conf', 'texdoc.cnf', '.x11vncrc', '.chktexrc', '.ripgreprc', 'ripgreprc', 'file.ctags', '.mbsyncrc'],
     \ 'config': ['configure.in', 'configure.ac', '/etc/hostname.file', 'any/etc/hostname.file'],
     \ 'confini': ['pacman.conf', 'paru.conf', 'mpv.conf', 'any/.aws/config', 'any/.aws/credentials', 'file.nmconnection'],
     \ 'context': ['tex/context/any/file.tex', 'file.mkii', 'file.mkiv', 'file.mkvi', 'file.mkxl', 'file.mklx'],
@@ -220,7 +220,7 @@ func s:GetFilenameChecks() abort
     \            '.coveragerc', '.pypirc', '.gitlint', '.oelint.cfg', 'pylintrc', '.pylintrc',
     \            '/home/user/.config/bpython/config', '/home/user/.config/mypy/config', '.wakatime.cfg', '.replyrc',
     \            'psprint.conf', 'sofficerc', 'any/.config/lxqt/globalkeyshortcuts.conf', 'any/.config/screengrab/screengrab.conf',
-    \            'any/.local/share/flatpak/repo/config'],
+    \            'any/.local/share/flatpak/repo/config', '.notmuch-config'],
     \ 'dot': ['file.dot', 'file.gv'],
     \ 'dracula': ['file.drac', 'file.drc', 'filelvs', 'filelpe', 'drac.file', 'lpe', 'lvs', 'some-lpe', 'some-lvs'],
     \ 'dtd': ['file.dtd'],
@@ -477,6 +477,7 @@ func s:GetFilenameChecks() abort
     \ 'msidl': ['file.odl', 'file.mof'],
     \ 'msql': ['file.msql'],
     \ 'mojo': ['file.mojo', 'file.🔥'],
+    \ 'msmtp': ['.msmtprc'],
     \ 'mupad': ['file.mu'],
     \ 'mush': ['file.mush'],
     \ 'mustache': ['file.mustache'],