format all lua files

lua/plugins/aerial.lua

@@ -7,7 +7,7 @@ return {
     require('aerial').setup({
       backends = { 'lsp', 'treesitter', 'markdown' },
       layout = {
-        default_direction = "prefer_left"
+        default_direction = 'prefer_left'
       },
       filter_kind = false,
       show_guides = true,
@@ -18,7 +18,7 @@ return {
   keys = {
     {
       '<leader>s',
-      function ()
+      function()
         require('aerial').toggle()
       end,
       desc = 'Symbols outline',