Add review step template for one page checkout module

- Introduced a new template file 'review copy.tpl' for the order summary step in the one page checkout process.
- The template includes a loading indicator and a header for the order summary section.
- Conditional rendering based on customer registration status is implemented.

.vscode/ftp-kr.json

@@ -4,7 +4,7 @@
   "password": "Project&*Pro12**!",
   "remotePath": "/",
   "protocol": "ftp",
-  "port": 0,
+  "port": 21,
   "fileNameEncoding": "utf8",
   "autoUpload": true,
   "autoDelete": false,
@@ -13,6 +13,7 @@
   "ignore": [
     ".git",
     "/.vscode",
+    "/.serena",
     "/.claude"
   ]
 }