Update README

[stavros11]

Close #1043. I also removed a log message from platform.connect because it would trigger very long output if the default dataclass (pydantic) representation is used for the instrument object (which has been overlooked mainly due to QM hiding the logger).

This should be ready, but maybe further changes will be needed if we do any last minute tweaks in the interface.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.32%. Comparing base (26df7f2) to head (b5f8db4).
Report is 31 commits behind head on 0.2.

Additional details and impacted files

@@            Coverage Diff             @@
##              0.2    #1051      +/-   ##
==========================================
- Coverage   52.34%   52.32%   -0.02%     
==========================================
  Files          63       63              
  Lines        2820     2819       -1     
==========================================
- Hits         1476     1475       -1     
  Misses       1344     1344              

Flag	Coverage Δ
unittests	52.32% <100.00%> (-0.02%)	⬇️

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[alecandido]

I flagged what I believe may require updates with the remaining PRs.

However, whenever everything else is merged, we can merge even this.