Update README.md

releasing v1.2.1

fix: do not reset firewall and apply rules if there were no changes

releasing v1.2.1

fix: changed verbosity of a debug log reported as warning

fix: clearning conntrack rules during reset

fix: fixed v-model for rule.type (closes #4)

releasing v1.2.0

fix: minor UI fixes

new: cloudflare integration

new: automatic ipv6 support

releasing v1.1.0

misc: added git:changelog to release script

misc: refactored to use constants for iptables chains

Merge pull request #3 from Matrix86/main