Add set-project-type! autodef

And use it for love2d projects in lang/lua module.

modules/lang/lua/config.el

@@ -30,6 +30,9 @@
   :modes (lua-mode markdown-mode json-mode)
   :files (and "main.lua" "conf.lua")
   :on-load
+  (set-project-type! 'love2d
+    :predicate #'+lua-love-project-root
+    :run #'+lua/run-love-game)
   (map! :localleader
         :map +lua-love-mode-map
         "b" #'+lua/run-love-game))