install gitsigns

after/plugin/gitsigns.lua

@@ -0,0 +1,9 @@
+require('gitsigns').setup{
+  current_line_blame = true,
+  current_line_blame_opts = {
+    virt_text_pos = 'right_align',
+    delay = 0
+  },
+  current_line_blame_formatter = '<author>, <author_time:%R> - <summary>'
+}
+

lua/plugins.lua

@@ -1,5 +1,6 @@
 return require('packer').startup(function(use)
   use 'wbthomason/packer.nvim'
+  use 'lewis6991/gitsigns.nvim'
 
   use {
     'Mofiqul/dracula.nvim',