feat: Initialize Angular SSR application with core pages, components, and server setup.

bizmatch/server.ts

@@ -1,3 +1,6 @@
+// IMPORTANT: DOM polyfill must be imported FIRST, before any browser-dependent libraries
+import './src/ssr-dom-polyfill';
+
 import { APP_BASE_HREF } from '@angular/common';
 import { CommonEngine } from '@angular/ssr';
 import express from 'express';
@@ -44,7 +47,7 @@ export function app(): express.Express {
 }
 
 function run(): void {
-  const port = process.env['PORT'] || 4000;
+  const port = process.env['PORT'] || 4200;
 
   // Start up the Node server
   const server = app();