feat: add tabline, filetree, autopairs

lua/custom/plugins/filetree.lua

@@ -0,0 +1,23 @@
+vim.cmd([[ let g:neo_tree_remove_legacy_commands = 1 ]])
+
+return {
+  "nvim-neo-tree/neo-tree.nvim",
+  version = "*",
+  dependencies = {
+    "nvim-lua/plenary.nvim",
+    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+    "MunifTanjim/nui.nvim",
+  },
+  config = function ()
+    require('neo-tree').setup {
+      window = {
+        width = 30,
+        mappings = {
+          ["o"] = "open",
+          ["sv"] = "open_vsplit",
+        }
+      }
+    }
+    vim.keymap.set('n', '<leader>sn', ':Neotree filesystem reveal float git_status<CR>', { noremap = true, silent = true })
+  end,
+}