add null_ls for formatting

after/plugin/defaults.lua

@@ -38,4 +38,14 @@ for type, icon in pairs(signs) do
   vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
 end
 
+-- null-ls
+
+local null_ls = require("null-ls")
+
+null_ls.setup({
+  sources = {
+    null_ls.builtins.formatting.prettierd,
+  },
+})
+
 -- vim: ts=2 sts=2 sw=2 et

lua/custom/plugins/init.lua

@@ -19,8 +19,10 @@ return {
 
   {
     "kristijanhusak/vim-dirvish-git",
-    dependencies = {
-      "justinmk/vim-dirvish",
-    },
+    dependencies = { "justinmk/vim-dirvish", },
   },
+  {
+    "jose-elias-alvarez/null-ls.nvim",
+    dependencies = { "nvim-lua/plenary.nvim" },
+  }
 }