Hostinger DNS Provider support

[IbrahimMaiga]

Hostinger now has its own API, allowing us to use it programmatically. It would be interesting to have it as a DNS provider.

[0xJacky]

Our project uses Lego as the certificate issuance tool. You may consider visiting https://github.com/go-acme/lego and donating to the project's author to expedite the adaptation work for Hostinger.