Allow adjusting column width for columns (in UI or in config)

[andrebriggs]

Suggestion

Allow adjusting column width for columns (in UI or in config)

Issue

If I have a service name with the value "Azure Voting App Front End" the UI which trim starting at 10 characters.

it seems very possible that some service names may be more than 10 characters and perhaps multiple services will have the same starting 10 characters.

Issue below

The instance of Spketate is {"version":"spektateacr.azurecr.io/spektate:spektate-master-23213"} according to http://40.64.74.69:5000/api/version

cc @samiyaakhtar @gemorris