🧹 清理重复配置文件

- 删除根目录中重复的 NestJS 配置文件
- 删除 tsconfig.json, tsconfig.build.json, eslint.config.mjs, .prettierrc
- 保留 wwjcloud-nest/ 目录中的完整配置
- 避免配置冲突，确保项目结构清晰

admin-vben/.github/workflows/lock.yml

@@ -0,0 +1,24 @@
+name: Lock Threads
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  action:
+    if: github.repository == 'vbenjs/vue-vben-admin'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v5
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          issue-inactive-days: '14'
+          issue-lock-reason: ''
+          pr-inactive-days: '30'
+          pr-lock-reason: ''
+          process-only: 'issues, prs'