Network Capacity component with graphs

Calculation of the utilization percentage:

https://docs.google.com/spreadsheets/d/1HJeXWtliFlOLW-zFJl4XeVlA71Y8mGUuDM7lNWHeUv8/edit?usp=sharing

Note, that if we allow users to choose period of analysis, then we have to show all metrics based on that period, but not in general or from beginning of time. See some values in the first row changed.