feat(hosting): add /odoo-black-friday/ and /odoo-hosting-offers/ pages

Page A /odoo-black-friday/ owns "odoo black friday": hero, one On the Rise
box with a CSS-only reveal (native <details>) of the HOST27 offer, "what the
code does", FAQ. Page B /odoo-hosting-offers/ is the evergreen hub owning
"odoo hosting offers/deals/discount", with a date-scoped Black Friday block
(BF-BLOCK-START/END) linking to Page A. Both carry the copy's title/meta/H1,
@graph JSON-LD (Organization, WebPage, BreadcrumbList, Product+Offer, FAQPage).
sitemap.xml and llms.txt updated. Copy source: copywriter 2026-10-30.

sitemap.xml

@@ -24,6 +24,18 @@
     <changefreq>monthly</changefreq>
     <priority>0.9</priority>
   </url>
+  <url>
+    <loc>https://odoo4projects.com/odoo-hosting-offers/</loc>
+    <lastmod>2026-10-30</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.9</priority>
+  </url>
+  <url>
+    <loc>https://odoo4projects.com/odoo-black-friday/</loc>
+    <lastmod>2026-10-30</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.9</priority>
+  </url>
   <url>
     <loc>https://odoo4projects.com/odoo-erp-automation-bootcamp/</loc>
     <lastmod>2026-10-30</lastmod>