chore: 初始开源发布

iotlcm-admin-ui：管理前端（基于 Vben Admin 5.5.9 二次开发）。

- 天地图 API Key → YOUR_TIANDITU_KEY
- OAuth 客户端 ID → your-client-id，store 加密密钥 → 提示自行替换
- Makefile 移除明文 registry 登录口令，镜像地址改
- appIcon 指向内网图床的链接 → /favicon.ico
- 真实手机号 → 合法 11 位编造号（保留号段前 3 位 + 后 4 位）
- 真实邮箱 → example.com（署名头内的上游作者邮箱保留）
- 移除 CI 触发器
- 补 MIT LICENSE（含 Vben Admin 上游声明）+ README
- 统一 LF 行尾并加 .gitattributes

上游 Vben Admin 的版权与许可声明完整保留（各源文件 @Author/@Copyright 头 + LICENSE）。

LICENSE

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2021-PRESENT Vben Admin (https://github.com/vbenjs/vue-vben-admin)
+Copyright (c) 2026 The iotLCM Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.