diff --git a/src/pages/_app.js b/src/pages/_app.js
new file mode 100644
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+++ b/src/pages/_app.js
@@ -0,0 +1,52 @@
+import React from "react";
+import ReactDOM from "react-dom/client";
+
+
+// Had to install this manually into Microsoft/TypeScript
+import {Route, BrowserRouter, Routes} from "react-router-dom";
+import {Helmet} from "react-helmet";
+
+// CSS
+import './css/main.css';
+
+
+import Main_Page from "./pages/Main_Page";
+import BinaryPatternEditorPage from "./pages/BinaryPatternEditorPage";
+
+import Header from "./Components/Header";
+
+
+//import reportWebVitals from './reportWebVitals';
+
+// https://github.com/orgs/community/discussions/36010#discussioncomment-4205316
+
+const root = ReactDOM.createRoot(document.getElementById('root'));
+
+root.render(<>
+  <Helmet
+    htmlAttributes={{
+      lang: "en"
+    }}
+    title="Binary Pattern Editor Online"
+  />
+
+  <Header></Header>
+
+  {/* process.env.PUBLIC_URL seems to be /binary-pattern-painter-online */}
+  <BrowserRouter basename={`${"/binary-pattern-painter-online"}`}>
+    <Routes>
+      {/* Main page, for gh-pages "/" needed to go away */}
+      <Route path="/" element={<Main_Page/>} />
+      <Route path="/index" element={<Main_Page/>} />
+      <Route path="/main" element={<Main_Page/>} />
+
+      {/* Rest of the paths */}
+      <Route path="/binary-pattern-editor" element={<BinaryPatternEditorPage/>}></Route>
+    </Routes>
+  </BrowserRouter>
+</>);
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+//reportWebVitals();
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