Autoformat on save

lua/conf/langs/general.lua

@@ -23,6 +23,13 @@ require("mason").setup({
   })
 require("mason-lspconfig").setup()
 
+-- Auto-format code on save
+vim.api.nvim_create_autocmd({"BufWritePre"}, {
+  callback = function()
+    vim.lsp.buf.format()
+  end
+})
+
 -- Treesitter config.
 require'nvim-treesitter.configs'.setup {
   ensure_installed = {