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

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

lib/middleware/template.js

@@ -1,14 +1,9 @@
 const art = require('art-template');
 const path = require('path');
 const config = require('@/config').value;
-const typeRegex = /\.(atom|rss)$/;
-const unsupportedRegex = /\.json$/;
+const typeRegex = /\.(atom|rss|debug\.json)$/;
 
 module.exports = async (ctx, next) => {
-    if (ctx.request.path.match(unsupportedRegex)) {
-        throw Error('<b>JSON output had been removed, see: <a href="https://github.com/DIYgod/RSSHub/issues/1114">https://github.com/DIYgod/RSSHub/issues/1114</a></b>');
-    }
-
     if (ctx.headers['user-agent'] && ctx.headers['user-agent'].includes('Reeder')) {
         ctx.request.path = ctx.request.path.replace(/.com$/, '');
     }
@@ -18,6 +13,17 @@ module.exports = async (ctx, next) => {
 
     await next();
 
+    if (ctx.state.type[1] === 'debug.json' && config.debugInfo) {
+        ctx.set({
+            'Content-Type': 'application/json; charset=UTF-8',
+        });
+        if (ctx.state.json) {
+            ctx.body = JSON.stringify(ctx.state.json, null, 4);
+        } else {
+            ctx.body = JSON.stringify({ message: "plugin does not set json" });
+        }
+    }
+
     if (!ctx.body) {
         let template;