feat(admin): persist provider drafts in crm

docs/PROJECT_STRUCTURE.md

@@ -72,10 +72,17 @@
 
 - `deploy/tksea-portal/index.html`
   - `sub.tksea.top/portal/` 静态页
+- `deploy/tksea-portal/admin/index.html`
+  - `sub.tksea.top/portal/admin/` 管理首页
+- `deploy/tksea-portal/admin/providers.html`
+  - `sub.tksea.top/portal/admin/providers.html` provider 目录、导入页与服务端草稿入口
+- `deploy/tksea-portal/admin/batch-import.html`
+  - `sub.tksea.top/portal/admin/batch-import.html` 结构化 batch-import 入口
 - `deploy/tksea-portal/admin-batch-import.html`
   - `sub.tksea.top/portal/admin-batch-import.html` 最小管理页
 - `deploy/tksea-portal/nginx.sub.tksea.top.conf.example`
   - 对应 Nginx 路由示例
+  - 同时包含 `/portal-proxy/` 和 `/portal-admin-api/` 两组反代
 
 这层的规则是：