feat(tools): 添加 CLI 模块管理命令和文档验证 demos

- CLI 新增 list/add/remove 命令管理项目模块
- 创建 demos 包验证模块文档正确性
- 包含 Timer/FSM/Pathfinding/Procgen/Spatial 5个模块的完整测试

packages/tools/demos/tsconfig.json

@@ -0,0 +1,12 @@
+{
+    "extends": "../../../tsconfig.base.json",
+    "compilerOptions": {
+        "outDir": "./dist",
+        "rootDir": "./src",
+        "declaration": false,
+        "module": "ESNext",
+        "moduleResolution": "bundler",
+        "target": "ES2022"
+    },
+    "include": ["src/**/*"]
+}