Add DNS provider for Regfish

[ldez]

• adds a description to your PR
• have a homogeneous design with the other providers
• add tests (units)
• add tests ("live")
• add a provider descriptor
• generate CLI help, documentation, and readme.
• be able to do: (and put the output of this command to a comment)

  make build
  rm -rf .lego
  
  REGFISH_API_KEY="xxx" \
  ./dist/lego -m [email protected] --dns regfish -d *.example.com -d example.com -s https://acme-staging-v02.api.letsencrypt.org/directory run

  Note the wildcard domain is important.
• pass the linter
• do go mod tidy

Ping @amallek, can you run the command (with your domain, email, credentials, etc.)?

-> #2320 (comment)

Closes #2319

[amallek]

@ldez confirmed, I was able to run and obtain a certificate (acme: Validations succeeded; requesting certificates... Server responded with a certificate.)

[ldez]

@amallek Can you put the output of this command into a comment?

[amallek]

Sure - of course, I replace the real domain with example.com.

2024/11/05 00:34:18 [INFO] [*.example.com, example.com] acme: Obtaining bundled SAN certificate
2024/11/05 00:34:19 [INFO] [*.example.com] AuthURL: https://acme-staging-v02.api.letsencrypt.org/acme/authz-v3/14748925633
2024/11/05 00:34:19 [INFO] [example.com] AuthURL: https://acme-staging-v02.api.letsencrypt.org/acme/authz-v3/14748925643
2024/11/05 00:34:19 [INFO] [*.example.com] acme: use dns-01 solver
2024/11/05 00:34:19 [INFO] [example.com] acme: Could not find solver for: tls-alpn-01
2024/11/05 00:34:19 [INFO] [example.com] acme: Could not find solver for: http-01
2024/11/05 00:34:19 [INFO] [example.com] acme: use dns-01 solver
2024/11/05 00:34:19 [INFO] [*.example.com] acme: Preparing to solve DNS-01
2024/11/05 00:34:20 [INFO] [example.com] acme: Preparing to solve DNS-01
2024/11/05 00:34:20 [INFO] [*.example.com] acme: Trying to solve DNS-01
2024/11/05 00:34:20 [INFO] [*.example.com] acme: Checking DNS record propagation. [nameservers=1.1.1.1:53,1.0.0.1:53,8.8.8.8:53]
2024/11/05 00:34:22 [INFO] Wait for propagation [timeout: 1m0s, interval: 2s]
2024/11/05 00:34:22 [INFO] [*.example.com] acme: Waiting for DNS record propagation.
2024/11/05 00:34:38 [INFO] [*.example.com] The server validated our request
2024/11/05 00:34:38 [INFO] [example.com] acme: Trying to solve DNS-01
2024/11/05 00:34:38 [INFO] [example.com] acme: Checking DNS record propagation. [nameservers=1.1.1.1:53,1.0.0.1:53,8.8.8.8:53]
2024/11/05 00:34:40 [INFO] Wait for propagation [timeout: 1m0s, interval: 2s]
2024/11/05 00:34:51 [INFO] [example.com] The server validated our request
2024/11/05 00:34:51 [INFO] [*.example.com] acme: Cleaning DNS-01 challenge
2024/11/05 00:34:52 [INFO] [example.com] acme: Cleaning DNS-01 challenge
2024/11/05 00:34:52 [INFO] [*.example.com, example.com] acme: Validations succeeded; requesting certificates
2024/11/05 00:34:52 [INFO] Wait for certificate [timeout: 30s, interval: 500ms]
2024/11/05 00:34:54 [INFO] [*.example.com] Server responded with a certificate.

[dmke]

LGTM