feat(vscode): automatically enable the vscode extra when running in vscode

lua/lazyvim/plugins/xtras.lua

@@ -27,6 +27,9 @@ LazyVim.plugin.save_core()
 if vim.tbl_contains(compat, v) then
   table.insert(extras, 1, "lazyvim.plugins.compat.nvim-" .. v)
 end
+if vim.g.vscode then
+  table.insert(extras, 1, "lazyvim.plugins.extras.vscode")
+end
 
 table.sort(extras, function(a, b)
   local pa = prios[a] or 50