Adds neotree file explorer

lua/plugin-manager.lua

@@ -3,14 +3,14 @@
 --    `:help lazy.nvim.txt` for more info
 local lazypath = vim.fn.stdpath 'data' .. '/lazy/lazy.nvim'
 if not vim.loop.fs_stat(lazypath) then
-  vim.fn.system {
-    'git',
-    'clone',
-    '--filter=blob:none',
-    'https://github.com/folke/lazy.nvim.git',
-    '--branch=stable', -- latest stable release
-    lazypath,
-  }
+    vim.fn.system {
+        'git',
+        'clone',
+        '--filter=blob:none',
+        'https://github.com/folke/lazy.nvim.git',
+        '--branch=stable', -- latest stable release
+        lazypath,
+    }
 end
 vim.opt.rtp:prepend(lazypath)