feat(blog): publish OCA Paraguay Internationalization Hackathon post

New post blog/posts/oca-paraguay-internationalization-hackathon.html (News,
2026-10-29), body verbatim from the supplied source (sha256 cca84c45...),
chrome copied from how-to-install-odoo-modules-using-git.html with the inline
style trimmed to the figureless variant. Adds the newest-first entry to
blog/index.json (16 -> 17), one 0.6 <url> to sitemap.xml (39 -> 40) and the
top line of the llms.txt blog list (16 -> 17).

sitemap.xml

@@ -66,6 +66,12 @@
     <changefreq>yearly</changefreq>
     <priority>0.4</priority>
   </url>
+  <url>
+    <loc>https://odoo4projects.com/blog/posts/oca-paraguay-internationalization-hackathon.html</loc>
+    <lastmod>2026-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.6</priority>
+  </url>
   <url>
     <loc>https://odoo4projects.com/blog/posts/how-to-install-odoo-modules-using-git.html</loc>
     <lastmod>2026-10-28</lastmod>