[RFE] Add HPA, BPA, and Resource Quotas

[joaquimrocha]

Current situation

We are not displaying limit related configs like Horizontal Pod Autoscalers, Pod Disruption Budgets, and Resource Quotas.

Impact

Users who want to check and change those configs, cannot do it in Headlamp unless they create their own plugin.

Ideal future situation

We have new routes for each of the mentioned limit related configs.

Implementation options

This may mean creating a new Configs top-level entry in the sidebar, and move the ConfigMaps there.