vim-patch:9.1.0235: filetype: supertux files are not recognized

Problem:  filetype: supertux files are not recognized
Solution: Supertux uses lisp to store hotkeys in config and game stage information,
          so add a pattern for supertux files.
          (Wu, Zhenyu)

Reference: https://github.com/SuperTux/supertux/wiki/S-Expression

closes: vim/vim#14356

4ff83b904e

Co-authored-by: Wu, Zhenyu <wuzhenyu@ustc.edu>

runtime/lua/vim/filetype.lua

@@ -620,6 +620,7 @@ local extension = {
   el = 'lisp',
   lsp = 'lisp',
   asd = 'lisp',
+  stsg = 'lisp',
   lt = 'lite',
   lite = 'lite',
   livemd = 'livebook',
@@ -1761,6 +1762,7 @@ local pattern = {
   ['.*/etc/.*limits%.conf'] = 'limits',
   ['.*/etc/limits'] = 'limits',
   ['.*/etc/.*limits%.d/.*%.conf'] = 'limits',
+  ['.*/supertux2/config'] = 'lisp',
   ['.*/LiteStep/.*/.*%.rc'] = 'litestep',
   ['.*/etc/login%.access'] = 'loginaccess',
   ['.*/etc/login%.defs'] = 'logindefs',