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

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

lib/api_router.js

@@ -1,15 +1,13 @@
 const Router = require('@koa/router');
 const router = new Router();
-const routes = require('./router');
+const maintainer = require('./maintainer');
 
 router.get('/routes/:name?', (ctx) => {
-    const allRoutes = Array.from(routes.stack);
-    allRoutes.shift();
     const result = {};
     let counter = 0;
 
-    allRoutes.forEach((i) => {
-        const path = i.path;
+    Object.keys(maintainer).forEach((i) => {
+        const path = i;
         const top = path.split('/')[1];
 
         if (!ctx.params.name || top === ctx.params.name) {