Add domain verification configuration for S4E platform

[hatice-s4e]

Description

Added the domain verification template for S4E to include a unique verification text for each domain. This addition ensures that each domain receives a distinct verification code during the setup process.

Type of change

Please mark options that are relevant.

• 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?

Please mark the following checks done

• Schema validated using JSON Schema template.schema
• Template functionality checked using Online Editor
• Template is checked using template linter
• Template file name follows the pattern <providerId>.<serviceId>.json

Example variable values

domain: example.com
host: @
verify_text: 2390fdacda61c067f81dd8e4dababf9c

"testData": {
  "s4e-test": {
    "variables": {
      "domain": "example.com",
      "host": "@",
      "verify_text": "2390fdacda61c067f81dd8e4dababf9c"
    },
    "results": [
      {
        "type": "TXT",
        "name": "@",
        "ttl": 3600,
        "data": "\"s4e-site-verification=2390fdacda61c067f81dd8e4dababf9c\""
      }
    ]
  }
}

[github-actions]

Linter OK:

Linter result for s4e.io.domain-verification.json

[pawel-kow]

Lgtm