Added Groups, ipv6 support and bug fixes.

What's Changed

• Added support for ipv6! by @annihilatorrrr in #10
• Update Dockerfile by @Strubbl in #11
• Update to reflect tinystatus .yaml file by @CGenie in #13

New Contributors

• @Strubbl made their first contribution in #11
• @CGenie made their first contribution in #13

Full Changelog: v2...v3