patch 9.1.0421: filetype: hyprlang files are not recognized

Problem:  filetype: hyprlang files are not recognized
Solution: recognize 'hypr{land,paper,idle,lock}.conf' files
          as 'hyprlang' filetype, add hyprlang ftplugin
          (Riley Bruins)

closes: #14803

Signed-off-by: Riley Bruins <ribru17@hotmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/ftplugin/hyprlang.vim b/runtime/ftplugin/hyprlang.vim
new file mode 100644
index 0000000..5c186c3
--- /dev/null
+++ b/runtime/ftplugin/hyprlang.vim
@@ -0,0 +1,13 @@
+" Vim filetype plugin
+" Language:	hyprlang
+" Maintainer:	ribru17 <ribru17@gmail.com>
+" Last Change:	2024 May 18
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setl comments=:# commentstring=#\ %s
+
+let b:undo_ftplugin = 'setl com< cms<'