[RFE] Add Cilium L2 Advertisement & IPAM features

[usrbinkat]

Enhance cilium configuration to replace MetalLB with Cilium L2 Advertisement & IPAM.

tasks

• [x] helm chart
• [x] helm values
• [x] CiliumL2AnnouncementPolicy
• [x] CiliumLoadBalancerIPPool
• [x] temp test pod and service

Reference

• https://isovalent.com/blog/post/migrating-from-metallb-to-cilium

[usrbinkat]

@distributethe6ix watch for pings regarding these MVP requirements

[usrbinkat]

Committed cilium l2 advertisement code.