Feature/added characters to leet resolver

[rion18]

Type of change:

• Refactor
• Performance improvement
• New feature
• Bug fix
• Other (please describe): Functionality improvement

Please describe the changes this PR makes and why it should be merged:
This MR updates some characters in the leet speak transformer, so it can detect profanities such as 5h1t, 5h!t, 0r645m and more.

Status:

• I've added/modified unit tests relevant to my change / not needed
• This PR contains breaking changes
• This PR doesn't include changes to the code

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (4f56dae) to head (a04885d).

Additional details and impacted files

@@            Coverage Diff            @@
##               dev       #78   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           24        24           
  Lines          390       390           
  Branches        69        69           
=========================================
  Hits           390       390           

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