patch 9.1.0188: filetype: no support for Vento files

Problem:  Vento files are not recognized.
Solution: Recognize *.vto files as filetype "vento" (wrapperup)

Vento is a templating engine https://vento.js.org/

closes: #14229

Signed-off-by: wrapperup <wrapperup4@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/filetype.vim

@@ -2400,6 +2400,9 @@ au BufRead,BufNewFile *.vdmpp,*.vpp		setf vdmpp
 au BufRead,BufNewFile *.vdmrt			setf vdmrt
 au BufRead,BufNewFile *.vdmsl,*.vdm		setf vdmsl
 
+" Vento
+au BufNewFile,BufRead *.vto			setf vento
+
 " Vera
 au BufNewFile,BufRead *.vr,*.vri,*.vrh		setf vera
 

src/testdir/test_filetype.vim

@@ -779,6 +779,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     vdmpp: ['file.vpp', 'file.vdmpp'],
     vdmrt: ['file.vdmrt'],
     vdmsl: ['file.vdm', 'file.vdmsl'],
+    vento: ['file.vto'],
     vera: ['file.vr', 'file.vri', 'file.vrh'],
     verilogams: ['file.va', 'file.vams'],
     vgrindefs: ['vgrindefs'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    188,
 /**/
     187,
 /**/