added re compiled for performance improvements

[amenezes]

@mammothb,

The use of compiled re in the create_dictionary improved performance in the order of 8% to 10%.

word list used: https://www.ime.usp.br/~pf/dicios/br-utf8.txt

[codecov]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (76d983e) compared to base (e57e22c).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #129   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            8         8           
  Lines          825       823    -2     
  Branches       203       201    -2     
=========================================
- Hits           825       823    -2     

Impacted Files	Coverage Δ
symspellpy/symspellpy.py	100.00% <100.00%> (ø)

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[mammothb]

Good catch, thanks for contributing!