feat: add keys config

lua/plugins/keys.lua

@@ -0,0 +1,11 @@
+return {
+  "tamton-aquib/keys.nvim",
+  config = function()
+    require("keys").setup({
+      enable_on_startup = true,
+      win_opts = {
+        width = 25,
+      },
+    })
+  end,
+}