ADD: Automatic finding of USB binds based on instrument IDN

[mjmucha]

Implemented findUSBBinds() to find the Linux USB binds based on given IDN in the configuration file. With modify_basil_config() one can then automatically update the ports/resource_names of the transfer layers (serial/visa).

For this to work the transfer layer needs an additional init parameter (identification). Like in this example, where resource_name is automatically updated to the current USB bind after executing modify_basil_config().

transfer_layer:
  - name     : HMP4040
    type     : Visa
    init     :
        resource_name : ASRL/dev/ttyUSB0::INSTR
        read_termination : "\r\n"
        identification: HAMEG,HMP4040,105820,HW50020001/SW2.51
        baud_rate : 38400
        backend : "@py"

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 73 lines in your changes are missing coverage. Please review.

Project coverage is 32.23%. Comparing base (d3cd239) to head (5b3fad9).
Report is 13 commits behind head on master.

❗ Current head 5b3fad9 differs from pull request most recent head 06c4761. Consider uploading reports for the commit 06c4761 to get more accurate results

Files	Patch %	Lines
basil/utils/USBBinds.py	0.00%	73 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #210      +/-   ##
==========================================
- Coverage   32.67%   32.23%   -0.45%     
==========================================
  Files          85       86       +1     
  Lines        5800     5873      +73     
==========================================
- Hits         1895     1893       -2     
- Misses       3905     3980      +75     

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[YannickDieter]

Please rebase to check if pipeline is now working.

[cbespin]

This feature will be very useful! I like to keep the amount of required packages as low as possible, but I see no alternative to ruamel.yaml here.
When the function names are changed to something more pythonic, I will approve

[cbespin]

Looks good now, thanks! The discussion about required packages will be moved to #188