_ssl_multicerts_gorouter.html.md.erb

The following is an example for configuring two certificate keypairs using `router.tls_pem`

```
 properties:
    router:
      tls_pem:
      - cert_chain: |
         -----BEGIN CERTIFICATE-----
         MIIFDjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDg
         MBQGCCqGSIb3DQMHBAgD1kGN4ZslJgSCBMi1xk9jhlPxPc
         9g73NQbtqZwI+9X5OhpSg/2ALxlCCjbqvzgSu8gfFZ4yo+
         A .... MANY LINES LIKE THAT ....
         X0R+meOaudPTBxoSgCCM51poFgaqt4l6VlTN4FRpj+c/Wc
         blK948UAda/bWVmZjXfY4Tztah0CuqlAldOQBzu8TwE7WD
         H0ga/iLNvWYexG7FHLRiq5hTj0g9mUPEbeTXuPtOkTEb/0
         GEs=
         ----END CERTIFICATE-----
        private_key: |
         -----BEGIN EXAMPLE ENCRYPTED PRIVATE KEY-----
         MIIFDjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDg
         MBQGCCqGSIb3DQMHBAgD1kGN4ZslJgSCBMi1xk9jhlPxPc
         9g73NQbtqZwI+9X5OhpSg/2ALxlCCjbqvzgSu8gfFZ4yo+
         A .... MANY LINES LIKE THAT ....
         X0R+meOaudPTBxoSgCCM51poFgaqt4l6VlTN4FRpj+c/Wc
         blK948UAda/bWVmZjXfY4Tztah0CuqlAldOQBzu8TwE7WD
         H0ga/iLNvWYexG7FHLRiq5hTj0g9mUPEbeTXuPtOkTEb/0
         GEs=
         -----END EXAMPLE ENCRYPTED PRIVATE KEY-----
      - cert_chain: |
         -----BEGIN CERTIFICATE-----
         MIIDXTCCAkWgAwIBAgIJAJC1HiIAZAiIMA0GCSqGSIb3Df
         BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVx
         aWRnaXRzIFB0eSBMdGQwHhcNMTExMjMxMDg1OTQ0WhcNMT
         A .... MANY LINES LIKE THAT ....
         JjyzfN746vaInA1KxYEeI1Rx5KXY8zIdj6a7hhphpj2E04
         C3Fayua4DRHyZOLmlvQ6tIChY0ClXXuefbmVSDeUHwc8Yu
         B7xxt8BVc69rLeHV15A0qyx77CLSj3tCx2IUXVqRs5mlSb
         vA==
         -----END CERTIFICATE-----
        private_key: |
         -----BEGIN EXAMPLE ENCRYPTED PRIVATE KEY-----
         MIIFDjBABgkqhkiG9w0BBQ0wMzAbBgkqhkiG9w0BBQwwDg
         MBQGCCqGSIb3DQMHBAgD1kGN4ZslJgSCBMi1xk9jhlPxPc
         9g73NQbtqZwI+9X5OhpSg/2ALxlCCjbqvzgSu8gfFZ4yo+
         A .... MANY LINES LIKE THAT ....
         X0R+meOaudPTBxoSgCCM51poFgaqt4l6VlTN4FRpj+c/Wc
         blK948UAda/bWVmZjXfY4Tztah0CuqlAldOQBzu8TwE7WD
         H0ga/iLNvWYexG7FHLRiq5hTj0g9mUPEbeTXuPtOkTEb/0
         GEs=
         -----END EXAMPLE ENCRYPTED PRIVATE KEY-----
```