feat: add :BufOnly command to nvim

home-manager/neovim/commands.lua

@@ -0,0 +1 @@
+vim.api.nvim_create_user_command("BufOnly", "%bd|e#|bd#", {})

home-manager/neovim/default.nix

@@ -162,6 +162,7 @@ in
 
             ${builtins.readFile ./keymaps.lua }
             ${builtins.readFile ./options.lua }
+            ${builtins.readFile ./commands.lua }
             ${builtins.readFile ./treesitter.lua }
             ${builtins.readFile ./lspconfig.lua }
             ${builtins.readFile ./toggleterm.lua }