Feature/docformatter

[kipyin]

This PR:

• Adds docformatter to format docstrings;
• Adds docformatter pre-commit hook to allow automatic fix on the docstrings;
• In the docstrings, the summary line is wrapped at 72, instead of the default option, 79, for consistency.

[kipyin]

TODOs:

• [x] This PR should be merged after the next release.
• [x] Add a towncrier news fragment referencing this PR.
• [x] Fix invalid new line after abbreviation set by docformatter.

[kipyin]

This pull request fixes 4 alerts when merging 9656f3094419f16f056f4e5196088a9e5a036912 into cc6e16c59c1635485d3ccd6cfd1d14eb2caf05b6 - view on LGTM.com

fixed alerts:

• 2 for Unused import
• 2 for Unnecessary 'else' clause in loop

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Comment posted by LGTM.com

[codecov[bot]]

Codecov Report

Merging #24 into master will increase coverage by 0.58%. The diff coverage is 86.66%.

@@            Coverage Diff             @@
##           master      #24      +/-   ##
==========================================
+ Coverage   85.32%   85.91%   +0.58%     
==========================================
  Files           7        8       +1     
  Lines         552      575      +23     
==========================================
+ Hits          471      494      +23     
  Misses         81       81

Impacted Files	Coverage Δ
pokemaster/game_version.py	98.55% <ø> (ø)	:arrow_up:
pokemaster/stats.py	89.88% <0%> (ø)	:arrow_up:
pokemaster/_database.py	71.11% <0%> (ø)	:arrow_up:
pokemaster/weather.py	92.3% <100%> (ø)	:arrow_up:
pokemaster/__version__.py	100% <100%> (ø)
pokemaster/pokemon.py	87.5% <100%> (+0.07%)	:arrow_up:
pokemaster/__init__.py	100% <100%> (ø)	:arrow_up:
pokemaster/prng.py	87.5% <94.44%> (+8.08%)	:arrow_up:

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