feat: move notification for main.lua not found into user cmd

Author: S1M0N38

Diff for: lua/love2d/init.lua

@@ -15,7 +15,6 @@ love2d.find_src_path = function(path)
     main = vim.fn.findfile("main.lua", path)
   end
   if main == "" then
-    vim.notify("No main.lua file found", vim.log.levels.ERROR)
     return
   end
   return vim.fn.fnamemodify(main, ":h")

Diff for: plugin/love2d.lua

@@ -3,6 +3,8 @@ vim.api.nvim_create_user_command("LoveRun", function(args)
   local path = love2d.find_src_path(args.args)
   if path then
     love2d.run(path)
+  else
+    vim.notify("No main.lua file found", vim.log.levels.ERROR)
   end
 end, { nargs = "?", complete = "dir" })