apimock-rs features: external interfaces and ipv6 support

Confirmation was finished ✅️ ✅️

Our apimock-rs supports both of:

• 🚪 Listener to external interfaces (all interfaces)
• ❄️ IPv6

https://apimokka.github.io/apimock-rs/advanced-topics/listener/index.html

It is a developer-friendly, featherlight and functional HTTP(S) mock server built in Rust 🩵