Improve project appearance

[V3lop5]

Fixes #1

This PR ...

improved project appearance.

• README.md updated
• setup.py updated
• config.py updated
• /docs updated
• LICENSE selected from here

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Checklist

Checklist for Contributors

• Documentation updated?
• Unit tests successful
• Code smells (flake8) checked

Checklist for Reviewers

• Read PR description
• Check linked issue
• Check CI/CD (build, automated tests, linting, preview build)
• Check documentation changes
• Add labels to PR

[github-actions]

Unit Test Results

  1 files  ±0    1 suites  ±0   3s ⏱️ -1s
20 tests ±0  20 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit c80a7e5. ± Comparison against base commit b0a40e9.

[codecov-commenter]

Codecov Report

Merging #29 (c80a7e5) into main (3f9b304) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #29   +/-   ##
=======================================
  Coverage   88.55%   88.55%           
=======================================
  Files          46       46           
  Lines         568      568           
=======================================
  Hits          503      503           
  Misses         65       65           

Flag	Coverage Δ
pytest	88.55% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
ensysmod/core/config.py	87.50% <100.00%> (ø)

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