Enhancement #906/Support Multiple Domains/Hostnames per Resource

[Pallavikumarimdb]

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Description

1. This PR implements the 2.2 Multiple Hostnames for a Single Resource, addressing issue #906.
2. Support Multiple Domains per Resource with Primary Domain Redirect Option, addressing issue #1243.

🔑 Key Features

• Multiple Domains per Resource
  • Users can now specify more than one domain for a single resource.
• Two Host Modes
  1. Primary Domain Redirect Mode
     • Allows selecting one domain as the primary.
     • All other assigned domains are redirected (HTTP 301) to the primary domain.
     • Helps maintain canonical URLs & SEO consistency.
  2. Multi-Domain Mode
     • All assigned domains serve the resource directly.
     • No redirects performed — each domain remains independently accessible.

How to test?