fix: 更新wrangler.toml，添加KV命名空间的注释说明

Author: cmliu

wrangler.toml

@@ -1,4 +1,8 @@
 name = "v20251104"
 main = "_worker.js"
 compatibility_date = "2025-11-04"
-keep_vars = true
+keep_vars = true
+
+#[[kv_namespaces]]
+#binding = "KV"			#KV绑定名默认不可修改
+#id = ""				#KV数据库id