* Create model and adapter for metrics/activity
* Query activity and return fake data on adapterError
* Add stub of pricing metrics cards and search form elements to metrics template
* Metrics page has pricing metrics rather than all-time tokens and requests
* update metrics config model
* Add metrics-config route and page
* Remove metrics/http-requests route and template
* remove log
* Add alert banner for when tracking disabled, and add result dates
* Small edits
