feat(plugin): added neo-tree plugin

lua/plugins/neo-tree.lua

@@ -0,0 +1,40 @@
+return {
+    "nvim-neo-tree/neo-tree.nvim",
+    branch = "v3.x",
+    dependencies = {
+        "nvim-lua/plenary.nvim",
+        "nvim-tree/nvim-web-devicons",
+        "MunifTanjim/nui.nvim"
+    },
+    cmd = "Neotree",
+    opts = {
+	    filesystem = {
+            bind_to_cwd = false,
+      	    follow_current_file = { enabled = true },
+      	    use_libuv_file_watcher = true,
+            hijack_netrw_behavior = "open_default",
+            filtered_items = {
+                hide_dotfiles = false,
+                hide_gitignored = false,
+                hide_hidden = false, -- only works on Windows for hidden files/directories
+            }
+        },
+        close_if_last_window = false,
+	    default_component_configs = {
+            container = {
+                enable_character_fade = true
+            },
+            indent = {
+                indent_size = 2,
+                padding = 1, -- extra padding on left hand side
+                with_markers = true,
+                indent_marker = "│",
+                last_indent_marker = "└",
+            with_expanders = true, -- if nil and file nesting is enabled, will enable expanders
+            expander_collapsed = "",
+            expander_expanded = "",
+            expander_highlight = "NeoTreeExpander",
+          }
+        }
+    }
+}