WIP: Architecture Refactor, add stub files and working blog post wrapped by AppShell

src/frontend/pages/blog.tsx

@@ -0,0 +1,12 @@
+import React from 'react';
+import { ThemePicker } from "../components/theme-picker";
+
+export function Blog() {
+    return (
+        <main>
+            <h1>Blog</h1>
+            <a href="/">Home</a>
+            <ThemePicker />
+        </main>
+    )
+}

src/frontend/pages/home.tsx

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+import React from 'react';
+
+export function Home() {
+    return (
+        <main>
+            <h1>Home!</h1>
+            <a href="/blog">Blog</a>
+        </main>
+    )
+}

src/frontend/pages/not-found.tsx

@@ -0,0 +1,9 @@
+import React from 'react';
+
+export function NotFound() {
+    return (
+        <main>
+            <h1>404 Not Found</h1>
+        </main>
+    )
+}