changed null ls sources and added global autocmd

lua/core/autocmds.lua

@@ -1,2 +1,3 @@
 vim.cmd([[colorscheme gruvbox]])
 vim.cmd([[hi Normal guibg=NONE ctermbg=NONE]])
+vim.cmd([[autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting_sync()]])

lua/plugins/configs/null.lua

@@ -1,16 +1,11 @@
 local _, null_ls = pcall(require, "null-ls")
 
 local sources = {
-    null_ls.builtins.formatting.prettierd,
-    null_ls.builtins.formatting.eslint_d,
-    null_ls.builtins.formatting.autopep8,
+	--null_ls.builtins.formatting.prettierd,
+	null_ls.builtins.formatting.stylua,
+	null_ls.builtins.formatting.eslint_d,
+	null_ls.builtins.formatting.autopep8,
+	null_ls.builtins.formatting.tidy,
 }
 
-null_ls.setup({
-    sources = sources,
-    on_attach = function(client)
-      if client.server_capabilities.document_formatting then
-        vim.cmd("autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting_sync()")
-      end
-    end,
-})
+null_ls.setup({ sources = sources })