chore: 初始化 TFS 2013 工作项批量导入工具集

- TfsExcelImporter: WinForms 桌面版，走 TFS Client OM（本环境 wit REST 路由 404，OM 是唯一可行通道）
- tfs_import.py: REST 版命令行导入器，供 wit 接口可用的 TFS 实例使用
- templates: Excel 导入模板及其 OOXML 源部件
- README: 两套工具定位、配置、环境坑点与验证方式
- 真实台账与本机工作笔记不入库，仅提交 work_items.example.csv 说明列结构

config.json

@@ -0,0 +1,36 @@
+{
+  "tfs_url": "http://pdtfs01.dev.goldenstand.cn:8080/tfs/DefaultCollection",
+  "project": "Tools_Dev",
+  "team": "DataTechnologies",
+  "work_item_type": "Task",
+  "parent_title": "陈首林",
+  "parent_id": "",
+  "iteration_path": "2026年Sprint\\2026年Sprint10",
+  "area_path": "",
+  "auth": {
+    "mode": "ntlm",
+    "username": "chenshoulin",
+    "password": "Password72",
+    "domain": ""
+  },
+  "field_refs": {
+    "title": "System.Title",
+    "state": "System.State",
+    "assigned_to": "System.AssignedTo",
+    "financial_project": "",
+    "completed": "",
+    "log_date": "",
+    "created_date": "System.CreatedDate",
+    "closed_date": "Microsoft.VSTS.Common.ClosedDate",
+    "iteration_path": "System.IterationPath",
+    "area_path": "System.AreaPath"
+  },
+  "resolve_fields_by_display_name": {
+    "financial_project": "FinancialProject",
+    "completed": "Completed",
+    "log_date": "LogDate"
+  },
+  "bypass_rules": true,
+  "skip_existing_titles": true,
+  "default_state": "To Do"
+}