docs: some updates

[racinmat]

Describe your changes

• renamed plugins to cli reference
• added docs about the stack traces
• updated some dependencies
• explicit utf-8 encoding, should prevent weird windows bugs, because they use windows-1252 by default.

The scantree was added as part of #112
The scandir was added along with dirhash in #89

The tests are passing locally on windows.

Issue ticket number and link

fixes #129
fixes #130

Checklist before requesting a review

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• If it is a core feature, I have added thorough tests.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 5 lines in your changes missing coverage. Please review.

Project coverage is 74.46%. Comparing base (048ca40) to head (ffde8e1).
Report is 3 commits behind head on master.

Files	Patch %	Lines
src/wanna/core/services/docker.py	20.00%	4 Missing ⚠️
.../wanna/components/kubeflow/upload_model_version.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #133   +/-   ##
=======================================
  Coverage   74.46%   74.46%           
=======================================
  Files          58       58           
  Lines        2867     2867           
=======================================
  Hits         2135     2135           
  Misses        732      732           

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