v2.0.0-rc1

What's Changed

• Bump docker/metadata-action from 4.3.0 to 4.4.0 by @dependabot in #37
• V2 by @mosajjal in #48

Full Changelog: v1.0.1-beta...v2.0.0-rc1

IMPORTANT: sniproxy v2 is a complete overhaul over v1. no more command line option or JSON configs, everything is configured through a YAML file (and some CSV files). refer to the default config for all the configuration documents