[heureka] Missing functionality

[ArtieReus]

TODOs related to Juno component requested functionality:

• [ ] Pagination component
• [x] Custom Icons for the main Objects [Services, Components, User]
• [x] Custom Icons for displaying vulnerabilities levels ["Low", "Medium", "High", "Critical"]
• [ ] PopOver component to display a preview of object dependencies. Ex: in services view display a preview of the related components and not just the number of components.
• [x] Design and related component for building toolbar
• [ ] Design a generic isFetching state to be displayed in all views when the data is displayed but being updated.
• [ ] Tooltip for displaying user IDs and Emails
• [ ] Header Section by the DetailsView

TODOs related to the API requested functionality:

• [x] Preload vulnerabilities for api/v1/services and api/v1/services/:serviceId

TODOs related to the UI:

• [ ] Display of overall vulnerabilities typeThreatLevelOverall for each service in services view
• [ ] Change the user ID to name (display of ID and email in a tooltip)
• [ ] Define / Implement the breadcrumb
• [x] Service detail view
• [x] Component detail view
• [ ] Vulnerability detail view

[edda]

Icons added.

• Services: dns
• Components: widgets
• User: accountCircle
• Vulnerabilities: bolt
• Severity Low/Medium/High/Critical: severityLow, severityMedium, ...
• "Back/Forward" arrow for pagination: chevronLeft, chevronRight