Added :DiffOrig command

init.lua

@@ -16,6 +16,13 @@ vim.cmd([[
     AirlineTheme catppuccin
 ]])
 
+-- implement the DiffOrig command (see :h :DiffOrig for more info)
+vim.cmd([[
+    command DiffOrig vert new | set bt=nofile | set bufhidden | set pvw 
+        \ | r # | 0d_ | diffthis | wincmd p | diffthis
+    command DiffOff diffoff | pc
+]])
+
 -- Custom keybindings using the util `map` function
 local map = require("utils").map
 local opts = { silent=true }