Adds minimal support for J2606 2.0

[c4deszes]

Brief

• Support for phrases "Commander" and "Responder" in the node summary
• Reset indication is added to the grammar but it's not parsed
• Previously Add support for protocol version J2602_1_1.0 #116 and Support parsing of node attributes in J2602 LDF file #130 added support for version 1.0

Checklist

• Add relevant labels to the Pull Request
• Review test results and code coverage
  • Review snapshot test results for deviations
• Review code changes
  • Create relevant test scenarios
  • Update examples
  • Update JSON schema
• Update documentation
  • Update examples in README
• Update changelog
• Update version number

Resolves

• Describe the bug or feature and link to relevant issues

Evidence

• Analyze how the change might impact existing code

• Provide evidence that the feature is tested and covered properly

[codecov]

Codecov Report

❌ Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 96.06%. Comparing base (2de76f5) to head (894239d).

Files with missing lines	Patch %	Lines
ldfparser/grammar.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #146      +/-   ##
==========================================
- Coverage   96.19%   96.06%   -0.14%     
==========================================
  Files          13       13              
  Lines        1472     1474       +2     
==========================================
  Hits         1416     1416              
- Misses         56       58       +2     

Flag	Coverage Δ
3.10	96.84% <80.00%> (?)
3.11	96.84% <80.00%> (+0.64%)	⬆️
3.12	96.84% <80.00%> (+0.64%)	⬆️
3.6	96.06% <80.00%> (-0.14%)	⬇️
3.7	96.06% <80.00%> (-0.14%)	⬇️
3.8	96.06% <80.00%> (-0.14%)	⬇️
3.9	96.84% <80.00%> (+0.64%)	⬆️

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