feat: Add website v1

Not final:
Needs more file icons
clean up some text

website/public/robots.txt

@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://toju.app/sitemap.xml

website/public/sitemap.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://toju.app/</loc>
+    <lastmod>2026-03-12</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+  <url>
+    <loc>https://toju.app/what-is-toju</loc>
+    <lastmod>2026-03-12</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://toju.app/downloads</loc>
+    <lastmod>2026-03-12</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.9</priority>
+  </url>
+  <url>
+    <loc>https://toju.app/philosophy</loc>
+    <lastmod>2026-03-12</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.7</priority>
+  </url>
+</urlset>