Vizier microservices base specs

Lists specs of all of the microservices that comprise vizier, the monitoring software suite deployed to k8s clusters.

PEM container configuration

Stirling, which uses BPF, has a number of container environment requirements to run properly. These requirements are reflected in pem_daemonset.yaml. See src/stirling/README.md, under the section "Stirling docker container environment", for an explanation of these requirements.