feat(blog): publish "Our freelancer directory opens on 1 December. Help us get the signup right"

Adds the soft-launch news post (pipeline record id=128, category News) as
blog/posts/freelancer-directory-soft-launch.html. Body pasted verbatim from
the inbox source block (sha256 14f61402…, byte-identical in the page).

- chrome copied from blog/posts/odoo-20-is-live-on-our-servers-here-is-what-changed.html
  (the newest post); inline <style> trimmed of the rules this page does not use
  (ul/ol, li, figure, figure img, figcaption) — the body carries no list or figure
- card/OG image wired additively: img.post-image (alt = the page h1), og:image,
  twitter:card, and the new blog/index.json "image" key
- BlogPosting JSON-LD with url == canonical
- blog/index.json: one entry, first, key order id,date,area,headline,teaser,link,image
  (text splice, not json.dumps)
- sitemap.xml: one <url>, first in the blog group, lastmod 2026-11-04
- llms.txt: one line at the top of the blog list
- work/verify-html.py FILES extended with the new page

Blog stays English-only. No older post touched.

llms.txt

@@ -50,6 +50,7 @@
 
 ## Blog posts
 
+- [Our freelancer directory opens on 1 December. Help us get the signup right](https://odoo4projects.com/blog/posts/freelancer-directory-soft-launch.html) — 2026-11-04 — We need your help! We are opening our Odoo Community Freelancer directory on 1 December. Before real clients start browsing it, we want the signup to work, and we would like your help to get it right.
 - [Odoo 20 Is Live on Our Servers — Here Is What Changed](https://odoo4projects.com/blog/posts/odoo-20-is-live-on-our-servers-here-is-what-changed.html) — 2026-11-03 — Two weeks. That is how long it took us to bring up Odoo 20 on our servers, with every new feature that comes with it. It is live now — if your instance runs with us, the engine underneath it just moved forward.
 - [From a Spreadsheet to a Running ERP in Ten Thursday Sessions](https://odoo4projects.com/blog/posts/from-a-spreadsheet-to-a-running-erp.html) — 2026-11-02 — Most small businesses do not run on an ERP. They run on a spreadsheet, a messaging group, and one person's memory. It works — until that person is on holiday.
 - [ODOO4projects Supports the OCA Paraguay Internationalization Hackathon](https://odoo4projects.com/blog/posts/oca-paraguay-internationalization-hackathon.html) — 2026-10-29 — Two online days to push Odoo's Paraguayan localisation forward — and we are supporting them.