Finalize gui implementation

[gpetretto]

Few updates for the GUI, with the option to start it from the CLI.

[davidwaroquiers]

All good to me. Just maybe one suggestion for the doc of the gui.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 22.22222% with 21 lines in your changes missing coverage. Please review.

Project coverage is 71.15%. Comparing base (b0671c0) to head (ef8056d).
Report is 3 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/jobflow_remote/webgui/webgui.py	0.00%	19 Missing ⚠️
src/jobflow_remote/cli/gui.py	71.42%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #243      +/-   ##
===========================================
- Coverage    71.32%   71.15%   -0.18%     
===========================================
  Files           49       50       +1     
  Lines         6703     6728      +25     
  Branches      1081     1081              
===========================================
+ Hits          4781     4787       +6     
- Misses        1557     1576      +19     
  Partials       365      365              

Files with missing lines	Coverage Δ
src/jobflow_remote/cli/__init__.py	100.00% <100.00%> (ø)
src/jobflow_remote/jobs/jobcontroller.py	80.00% <ø> (ø)
src/jobflow_remote/cli/gui.py	71.42% <71.42%> (ø)
src/jobflow_remote/webgui/webgui.py	0.00% <0.00%> (ø)

[fraricci]

Thanks Guido. It's working fine on my end. Nothing to add/change at the moment.