Use Case: Profile 1/2/3/4/5/6 separate example canary applications that drive selected LZ package use/coverage

- See #418 for profile 3
- See #220 for DocAI canary https://github.com/GoogleCloudPlatform/pubsec-declarative-toolkit/tree/canary/solutions/document-processing/gcloud
- See LZ V1 traffic generation app https://github.com/GoogleCloudPlatform/pbmm-on-gcp-onboarding/blob/main/docs/google-cloud-landingzone-traffic-generation.md
- See earlier V1 architecture discussions https://github.com/GoogleCloudPlatform/pubsec-declarative-toolkit/blob/dev/solutions/landing-zone/architecture.md
- See V2 architecture diagrams at https://docs.google.com/presentation/d/1Ztqn7G2rWFlssVwC7r5Xl-WFSFCbVo6MoHJffrXScmw/edit#slide=id.g25262d569c1_0_198
- See GCP network-patterns share at https://docs.google.com/presentation/d/13sjT2tJ4yLIYGRREE3wBrylB1OvcEMpKdquVuJB_nX4/edit?resourcekey=0-N3DruQaiutFvZ98HTT7-vQ#slide=id.g1154b3b950f_2_3458
- see Guardrails V1 https://github.com/canada-ca/cloud-guardrails/blob/master/EN/00_Applicable-Scope.md#applicability-of-guardrails-to-cloud-usage-profiles
- see Guardrails V2 https://github.com/CloudLandingZone/cloud-guardrails-v2

reference also
- https://github.com/ssc-spc-ccoe-cei/gcp-tier34-template
- https://github.com/ssc-spc-ccoe-cei/gcp-tier2-template
- https://github.com/ssc-spc-ccoe-cei/gcp-tier1-template