mgr/dashboard: dashboard-v3: landing-page revamp

mgr/dashboard: dashboard-v3: landing-page revamp

This commit add the following
- A new dashboard component, which will exist in parallel with in the
  current landing-page
- Created a route for this dashboard `/dashboard_3`
- Created a bare-bones bootstrap grid with mock-up card components

Signed-off-by: bryanmontalvan <bmontalv@redhat.com>
Signed-off-by: Pedro Gonzalez Gomez <pegonzal@redhat.com>
mgr/dashboard: changes to first layout

CHANGES:

 - Renamed dashboardcomponents

 - Removed unnecesary styling

 - Added unit tests

Signed-off-by: Pedro Gonzalez Gomez <pegonzal@redhat.com>
Moved router.url logic inside html template

This commit removes the `this.router.url` logic which was located in the
`workbench-layout.component.ts` file and moved it into the HTML template
section.

Signed-off-by: bryanmontalvan <bmontalv@redhat.com>
mgr/dashboard: syntax changes from bootstrap 4 to 5

Signed-off-by: Pedro Gonzalez Gomez <pegonzal@redhat.com>
mgr/dashboard: small fixes and improvements over all cards and layout

	- all cards placed evenly with the same height
	- increased font size on details card and adjusted margin
	- changed capacity card legend to: "Used"
	- adjusted cluster utilization card margins and increased graphs height
	- improved status card toggle
	- changed orchestror to orchestrator
	- switched IPS/OPS graph colors

Signed-off-by: Pedro Gonzalez Gomez <pegonzal@redhat.com>
mgr/dashboard: added recovery throghput graph, improve promqls, fix inventory's card lines

Signed-off-by: Pedro Gonzalez Gomez <pegonzal@redhat.com>