Better string formatting, format table better

[trappitsch]

• string formatting in table via rttools
• format transition strength as html
• fix tests
• split terms into separate table entries
• update deps, fix failing tests with new table format

[codecov]

Codecov Report

Attention: Patch coverage is 93.75000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 94.00%. Comparing base (de77be5) to head (9fb4e5a).
Report is 9 commits behind head on main.

Files	Patch %	Lines
src/rimsschemedrawer/json_parser.py	93.02%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #26      +/-   ##
==========================================
- Coverage   94.12%   94.00%   -0.12%     
==========================================
  Files           9        9              
  Lines         715      751      +36     
==========================================
+ Hits          673      706      +33     
- Misses         42       45       +3     

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