update conform config to be able to toggle it on or off

lua/plugins/conform.lua

@@ -15,10 +15,31 @@ return {
         swift = { "swift_format" },
         ["*"] = { "trim_whitespace", "trim_newlines" },
       },
-      format_on_save = {
-        timeout_ms = 500,
-        lsp_fallback = true,
-      },
+      format_on_save = function(bufnr)
+        -- Disable with a global or buffer-local variable
+        if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+          return
+        end
+        return { timeout_ms = 500, lsp_fallback = true }
+      end,
+    })
+
+    vim.api.nvim_create_user_command("FormatDisable", function(args)
+      if args.bang then
+        -- FormatDisable! will disable formatting just for this buffer
+        vim.b.disable_autoformat = true
+      else
+        vim.g.disable_autoformat = true
+      end
+    end, {
+      desc = "Disable autoformat-on-save",
+      bang = true,
+    })
+    vim.api.nvim_create_user_command("FormatEnable", function()
+      vim.b.disable_autoformat = false
+      vim.g.disable_autoformat = false
+    end, {
+      desc = "Re-enable autoformat-on-save",
     })
   end,
 }