patch 9.0.1766: Runtime: Missing QML support

Problem:  Runtime: Missing QML support
Solution: Add QML support to Vim

closes: #12810

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: ChaseKnowlden <haroldknowlden@gmail.com>

runtime/ftplugin/qml.vim

@@ -0,0 +1,31 @@
+" Vim filetype plugin file
+" Language: QML
+" Maintainer: Chase Knowlden <haroldknowlden@gmail.com>
+" Last Change: 2023 Aug 16
+
+if exists( 'b:did_ftplugin' )
+   finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpoptions_save = &cpoptions
+set cpoptions&vim
+
+" command for undo
+let b:undo_ftplugin = "setlocal formatoptions< comments< commentstring<"
+
+if (has("gui_win32") || has("gui_gtk")) && !exists( 'b:browsefilter' )
+   let b:browsefilter =
+      \ 'QML Files (*.qml,*.qbs)\t*.qml;*.qbs\n' .
+      \ 'All Files\t*\n'
+endif
+
+" Set 'comments' to format dashed lists in comments.
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,://
+setlocal commentstring=//%s
+
+setlocal formatoptions-=t
+setlocal formatoptions+=croql
+
+let &cpoptions = s:cpoptions_save
+unlet s:cpoptions_save