0.1.9-hotfix

Notes

Rebuild a hotfix package to fix the issues in NanoRabbit.0.1.9.nupkg.

What's Changed

• remove unused options classes by @Revazashvili in #2
• improve rabbit configuration builder pattern by @Revazashvili in #3
• Refactor/remove redundant initializers by @Revazashvili in #4

Full Changelog: 0.1.8...0.1.9