feat(core): first attempt to init script standard (#8224)

- lazy load
- rate limit per path
- init .debug.json support
- docs
- maintainer
- radar

lib/maintainer.js

@@ -0,0 +1,27 @@
+const dirname = __dirname + '/v2';
+
+// 遍历整个 routes 文件夹，收集模块 maintainer.js
+const maintainerPath = require('require-all')({
+    dirname,
+    filter: /maintainer\.js$/,
+});
+
+const maintainers = {};
+
+// 将收集到的自定义模块进行合并
+for (const dir in maintainerPath) {
+    const routes = maintainerPath[dir]['maintainer.js']; // Do not merge other file
+    for (const key in routes) {
+        maintainers['/' + dir + key] = routes[key];
+    }
+}
+
+// 兼容旧版路由
+const router = require('./router');
+router.stack.forEach((e) => {
+    if (!maintainers[e.path]) {
+        maintainers[e.path] = [];
+    }
+});
+
+module.exports = maintainers;