how to add subdomain in laravel code example

Example 1: laravel and subdomain

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Example 2: laravel and subdomain

-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----