add Emergeo, Emergeo Content Hub

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Description

Adds a Domain Connect template for Emergeo (emergeo.ai / bloghub). It applies a single fixed CNAME (blog → cname.vercel-dns.com) that connects a customer's domain to their Emergeo AI-visibility content hub at blog.<domain>. The template has no variables.

Note on syncPubKeyDomain (intentionally omitted): this template contains only a single fixed CNAME with no user-supplied variables, so there is no request payload to cryptographically sign. warnPhishing: true is set instead, following the established pattern used by other variable-free templates (e.g. animacontent.hosting, crevado.com.portfolio, domainconnect.org.dynamicdns).

Type of change

• New template
• Bug fix (non-breaking change which fixes an issue in the template)
• New feature (non-breaking change which adds functionality to the template)
• Breaking change (fix or feature that would cause existing template behavior to be not backward compatible)

How Has This Been Tested?

• Template functionality checked using Online Editor
• Template file name follows the pattern <providerId>.<serviceId>.json
• resource URL provided with logoUrl is actually served by a webserver

Checklist of common problems

• syncPubKeyDomain is set — intentionally omitted; justified in the Description above (single fixed CNAME, no variables; warnPhishing used instead)
• warnPhishing is not set alongside syncPubKeyDomain
• syncRedirectDomain is set whenever the template uses redirect_uri in the synchronous flow — N/A (no redirect_uri)
• no TXT record contains SPF content — N/A (no TXT records)
• txtConflictMatchingMode is set on every TXT record that must be unique — N/A (no TXT records)
• no variable is used as a bare full record value — N/A (no variables)
• no bare variable is used as the full host label — N/A (no variables)
• no variable is used in the host field to create a subdomain — N/A (no variables)
• %host% does not appear explicitly in any host attribute
• essential is set on records the end user may need to modify — N/A (single required CNAME)

Online Editor test results

Editor test link(s):

• Test emergeo.ai/bloghub example.com/@
• Test emergeo.ai/bloghub example.com/sub

[github-actions]

PR Description Check Passed

All required sections are filled in correctly.

Details

  OK  Type of change: 1/4 checkboxes ticked
  OK  How Has This Been Tested?: all 3 checkboxes ticked
  OK  Checklist of common problems: 9/10 checkboxes ticked
  OK  Online Editor test results: 2 link(s) found
  OK  Template coverage: all 1 template(s) covered
Labels to remove: Checklist of common problems not complete, Forged editor links, PR description incomplete, Test links missing

PR description check PASSED

[github-actions]

✅ JSON Filename Check Passed

[github-actions]

Linter OK

emergeo.ai.bloghub.json

Level	Code	Note
info	DCTL1029	template does not have syncPubKeyDomain

[github-actions]

✅ JSON Schema Validation Passed

[pawel-kow]

Even without variables some providers like Cloudflare won't take a template without syncPubKeyDomain.
Reconsider signing from the start.