[Epic] Frontend - showcase and dashboard improvements

[zelima]

We need to overlook the general design of showcase page together with the skilled designer.

We need to show public vs private space usage on dashboard page

Acceptance Criteria

• [ ] showcase is reviewed by @rufuspollock @anuveyatsu together with @shiweiart

tasks

• [ ] arrange meeting
• [ ] discuss dashboard page changes

[zelima]

FIXED/OBSOLETE. We've modified showcase several times since Jan