"xcetool image run": print server and viewer URLs

[pont-us]

Closes #46

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.46%. Comparing base (4f33344) to head (784bc9a).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #66      +/-   ##
==========================================
+ Coverage   84.34%   84.46%   +0.11%     
==========================================
  Files           6        6              
  Lines         543      547       +4     
  Branches       63       64       +1     
==========================================
+ Hits          458      462       +4     
  Misses         78       78              
  Partials        7        7              

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