add ghostty and use stowrc with dotfiles option

neovim/dot-config/nvim/lua/config/keymaps.lua

@@ -0,0 +1,22 @@
+-- Keymaps are automatically loaded on the VeryLazy event
+-- Default keymaps that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/keymaps.lua
+-- Add any additional keymaps here
+
+local function toggle_or_focus_explorer()
+  local explorers = Snacks.picker.get({ source = "explorer" })
+  local explorer = explorers[1]
+
+  if explorer then
+    if explorer:is_focused() then
+      explorer:close()
+    else
+      explorer:focus()
+    end
+    return
+  end
+
+  -- No explorer open; open one at the project root
+  Snacks.explorer({ cwd = LazyVim.root() })
+end
+
+vim.keymap.set("n", "<leader>e", toggle_or_focus_explorer, { desc = "Explorer (toggle/focus)" })