Merge pull request #2 from jan0ski/jan0ski/configure-ips

fix: Allow block list to propagate between contexts

chore: pull out get_soure_address into its own function

Merge pull request #1 from jan0ski/jan0ski/docker-envoy

chore: remove unneeded envoy listener

feat: working IP-based blocking

feat: Add envoy config and docker definitions

feat: Add initial example filters

Initial commit