Added poethepoet as task runner

[qlrd]

Description

• add poethepoet package to pyproject.toml;
• added tasks;
• add little changes on README to pointing those `tasks;

Poe the poet

Poethepoet is a nice task runner that works well with poetry.

Created tasks

• poetry run poe format (execute poetry run black ./src and poetry run black ./tests);
• poetry run poe lint (execute poetry run pylint ./src can be expanded for more folders);
• poetry run poe test (execute pytest --cache-clear --cov src/krux --cov-report html --show-capture all --capture tee-sys -r A ./tests);
• poetry run poe pre-commit (execute all tasks above);

What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other: tools for speedup some development tasks

[codecov]

Codecov Report

Attention: 499 lines in your changes are missing coverage. Please review.

Comparison is base (a304206) 92.24% compared to head (6f8e1ba) 86.55%.
Report is 214 commits behind head on integrated_changes.

Files	Patch %	Lines
src/krux/pages/capture_entropy.py	12.37%	85 Missing ⚠️
src/krux/pages/qr_view.py	40.00%	75 Missing ⚠️
src/krux/pages/settings_page.py	18.36%	40 Missing ⚠️
src/krux/pages/sign_message_ui.py	67.61%	34 Missing ⚠️
src/krux/pages/new_mnemonic/dice_rolls.py	79.02%	30 Missing ⚠️
src/krux/buttons.py	63.75%	29 Missing ⚠️
src/krux/printers/thermal.py	6.66%	28 Missing ⚠️
src/krux/pages/home.py	67.18%	21 Missing ⚠️
src/krux/pages/login.py	57.14%	21 Missing ⚠️
src/krux/touch.py	65.45%	19 Missing ⚠️
... and 24 more

Additional details and impacted files

@@                  Coverage Diff                   @@
##           integrated_changes     #306      +/-   ##
======================================================
- Coverage               92.24%   86.55%   -5.70%     
======================================================
  Files                      42       51       +9     
  Lines                    5290     6084     +794     
======================================================
+ Hits                     4880     5266     +386     
- Misses                    410      818     +408     

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