refactor: format tables line by line for better readability (#2456)

* Format tables line by line for better readability

* Forgot a comma

---------

Co-authored-by: Alexander Courtis <alex@courtis.org>

lua/nvim-tree/keymap.lua

@@ -24,7 +24,13 @@ function M.default_on_attach(bufnr)
   local api = require('nvim-tree.api')
 
   local function opts(desc)
-    return { desc = 'nvim-tree: ' .. desc, buffer = bufnr, noremap = true, silent = true, nowait = true }
+    return {
+      desc = 'nvim-tree: ' .. desc,
+      buffer = bufnr,
+      noremap = true,
+      silent = true,
+      nowait = true,
+  }
   end
 
   -- BEGIN_DEFAULT_ON_ATTACH