updaate readme

README.md

@@ -29,6 +29,10 @@ nvim
 `<leader>gs` &rarr; Git status<br>
 `<leader>u` &rarr; Undo tree<br>
 
+`<leader>j` &rarr; Prev buf<br>
+`<leader>k` &rarr; Next buf<br>
+`<C-w>` &rarr; Close buf<br>
+
 `K` &rarr; Hover<br>
 `gd` &rarr; Go to definition<br>
 `gD` &rarr; Go to declaration<br>

lua/sofi/packer.lua

@@ -37,4 +37,8 @@ return require('packer').startup(function(use)
   use 'hrsh7th/nvim-cmp'
   use 'hrsh7th/cmp-nvim-lsp'
   use 'L3MON4D3/LuaSnip'
+
+  use 'nvim-tree/nvim-web-devicons'
+  use 'lewis6991/gitsigns.nvim'
+  use 'romgrk/barbar.nvim'
 end)