Add new blog posts for Nova AI and OmniEmu, and create robots.txt and sitemap.xml

- Created nova-devlog.html detailing the development of Nova AI, emphasizing its local operation and privacy features.
- Created omniemu-devlog.html explaining the motivation behind OmniEmu, a cross-platform emulator manager.
- Added robots.txt to manage web crawler access and disallow specific directories.
- Added sitemap.xml to improve site indexing and navigation for search engines.

sitemap.xml

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://milesallen.site/</loc>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/omniemu.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/fedl.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/noto.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.7</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/nova.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.7</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/music-app.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.6</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/rhythm-game.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.6</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/geode-mod.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.6</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/decompilations.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.6</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/issue-tracker.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.6</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/moon-gaming.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.6</priority>
+  </url>
+  <url>
+    <loc>https://milesallen.site/projects/command-move.html</loc>
+    <changefreq>monthly</changefreq>
+    <priority>0.7</priority>
+  </url>
+</urlset>