Add pattern matching support for naming rules

[sobolevn]

No description provided.

[codecov]

Codecov Report

Merging #2501 (2cee50a) into master (5bfdbdd) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master     #2501   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          119       121    +2     
  Lines         6390      6461   +71     
  Branches      1449      1469   +20     
=========================================
+ Hits          6390      6461   +71     

Impacted Files	Coverage Δ
wemake_python_styleguide/violations/naming.py	100.00% <ø> (ø)
wemake_python_styleguide/compat/constants.py	100.00% <100.00%> (ø)
wemake_python_styleguide/compat/nodes.py	100.00% <100.00%> (ø)
...e_python_styleguide/logic/tree/pattern_matching.py	100.00% <100.00%> (ø)
...ython_styleguide/visitors/ast/naming/validation.py	100.00% <100.00%> (ø)
...python_styleguide/visitors/ast/naming/variables.py	100.00% <100.00%> (ø)
wemake_python_styleguide/options/config.py	100.00% <0.00%> (ø)
wemake_python_styleguide/options/defaults.py	100.00% <0.00%> (ø)
wemake_python_styleguide/options/validation.py	100.00% <0.00%> (ø)
wemake_python_styleguide/presets/types/tree.py	100.00% <0.00%> (ø)
... and 2 more

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