feat: Deprecate PublicAPIRouter in favor of PagesRouter (#9526)

src/Routers/PublicAPIRouter.js

@@ -5,11 +5,19 @@ import path from 'path';
 import fs from 'fs';
 import qs from 'querystring';
 import { Parse } from 'parse/node';
+import Deprecator from '../Deprecator/Deprecator';
 
 const public_html = path.resolve(__dirname, '../../public_html');
 const views = path.resolve(__dirname, '../../views');
 
 export class PublicAPIRouter extends PromiseRouter {
+  constructor() {
+    super();
+    Deprecator.logRuntimeDeprecation({
+      usage: 'PublicAPIRouter',
+      solution: 'pages.enableRouter'
+    });
+  }
   verifyEmail(req) {
     const { username, token: rawToken } = req.query;
     const token = rawToken && typeof rawToken !== 'string' ? rawToken.toString() : rawToken;