Add config for nvim-tree plugin

config/nvim/plugins/nvim-tree.lua

@@ -0,0 +1,47 @@
+local nvimtree = require("nvim-tree")
+
+-- recommended settings from nvim-tree documentation
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
+
+nvimtree.setup({
+  view = {
+    width = 35,
+    relativenumber = true,
+  },
+  -- change folder arrow icons
+  renderer = {
+    indent_markers = {
+      enable = true,
+    },
+    icons = {
+      glyphs = {
+        folder = {
+          arrow_closed = "", -- arrow when folder is closed
+          arrow_open = "", -- arrow when folder is open
+        },
+      },
+    },
+  },
+  -- disable window_picker for
+  -- explorer to work well with
+  -- window splits
+  actions = {
+    open_file = {
+      window_picker = {
+        enable = false,
+      },
+    },
+  },
+  filters = {
+    custom = { ".DS_Store" },
+  },
+  git = {
+    ignore = false,
+  },
+})
+
+-- set keymaps
+local keymap = vim.keymap -- for conciseness
+
+keymap.set("n", "<leader>fe", "<cmd>NvimTreeToggle<CR>", { desc = "Toggle file explorer" }) -- toggle file explorer

hosts/familypc/home.nix

@@ -199,6 +199,7 @@ in
         cmp_luasnip
         cmp-nvim-lsp
 	      telescope-nvim
+        nvim-tree-lua
         telescope-fzf-native-nvim
         vim-tmux-navigator
       ];
@@ -208,6 +209,7 @@ in
         ${builtins.readFile ../../config/nvim/plugins/cmp.lua}
         ${builtins.readFile ../../config/nvim/plugins/lsp.lua}
         ${builtins.readFile ../../config/nvim/plugins/telescope.lua}
+        ${builtins.readFile ../../config/nvim/plugins/nvim-tree.lua}
         ${builtins.readFile ../../config/nvim/plugins/treesitter.lua}
         require("Comment").setup()
         require("lualine").setup({