Azure AKS Collector Skeleton

[logyball]

Implementing the scaffolding for the AKS collector.

Important points:

• added azure.services CLI Flag
• Bare bones implementation of the AKS Collector module
• Added the init function (without any functionality) to the New() constructor in Azure

❯ ./cloudcost-exporter --provider azure --server.address "127.0.0.1:8080" --azure.services "aks"
time=2024-06-24T13:55:09.194-04:00 level=INFO msg="Starting cloudcost-exporter" version="(version=v0.1.4-2-g041dd70-dirty, branch=logyball/azure-implement-aks-collector-skeleton, revision=041dd70)" build_context="(go=go1.22.0, platform=darwin/arm64, user=loganballard@Logans-Laptop.local, date=2024-06-24T17:46:52Z, tags=unknown)"
time=2024-06-24T13:55:09.195-04:00 level=INFO msg="registering collectors for azure" azure.NumOfCollectors=1
time=2024-06-24T13:55:09.195-04:00 level=INFO msg="registering aks collector"
time=2024-06-24T13:55:09.195-04:00 level=INFO msg="Starting server" address=127.0.0.1:8080 path=/metrics