Add proxy method to accessing the Zarf registry

[AustinAbro321]

Enhancement Description

• One-line enhancement description (can be used as a release note): Add proxy method to accessing the Zarf registry which does not rely on the localhost nodeport
• Zarf Enhancement Proposal: https://github.com/zarf-dev/proposals/tree/main/0033-registry-proxy
• Primary contact (assignee): @AustinAbro321
• Enhancement target (which target equals to which milestone/version):
  • Alpha release target (x.y): v0.65.0
  • Beta release target (x.y):
  • Stable release target (x.y):
• Alpha
  • ZEP (zarf-dev/proposals) update PR(s):
  • Code/Docs (zarf-dev/zarf) update PR(s):

Please keep this description up to date. This will help efficiently track the evolution of the enhancement.