convert: add more metadata

[simleo]

• Logic to add more metadata to the crate: sha1, alternateName, profile conformance
• Fix mapping of workflow-level parameters with secondary files (cwltool only registers them for tool runs)
• New option to add a README file

[codecov]

Codecov Report

Base: 99.44% // Head: 99.08% // Decreases project coverage by -0.37% ⚠️

Coverage data is based on head (0e0fe2c) compared to base (928bb9d).
Patch coverage: 95.86% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #15      +/-   ##
==========================================
- Coverage   99.44%   99.08%   -0.37%     
==========================================
  Files           6        6              
  Lines        1089     1197     +108     
==========================================
+ Hits         1083     1186     +103     
- Misses          6       11       +5     

Impacted Files	Coverage Δ
src/runcrate/__init__.py	98.07% <93.58%> (-0.92%)	⬇️
src/runcrate/cli.py	95.45% <100.00%> (+0.21%)	⬆️
tests/test_cli.py	100.00% <100.00%> (ø)
tests/test_cwlprov_crate_builder.py	99.83% <100.00%> (+<0.01%)	⬆️

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[mr-c]

Pinging @RenskeW ; I guess your table will need updating?