* Create GridCollection for nodes page with styling
* Update ListCollection styling
* Update TagList styling
* Create CompositeRow styling component
* Update ConsulServiceList component with styling
* Create service health-checks helper
* Add InstanceCount to the service model
* Add tag-svg to codebase
* Create and update tests for service-list page
* Upgrade @hashicorp/consul-api-double to 2.14.0
Adds namespace support to the UI:
1. Namespace CRUD/management
2. Show Namespace in relevant areas (intentions, upstreams)
3. Main navigation bar improvements
4. Logic/integration to interact with a new `internal/acl/authorize` endpoint