Adding request to user method

[JoeButler99]

Hi everyone, - I needed a method to add the request object to the call to get_or_create_for_cognito. I saw in one of the other pull requests this was also added.

I've created a crude system to do this, now I can receive from this library with
def get_or_create_for_cognito(self, jwt_payload, request):
in my manager model.

I am open to helping any suggestions to doing this in a better/cleaner way. (I'm also quite new to python packaging and its tooling..)

[codecov]

Codecov Report

Merging #21 into master will decrease coverage by 2.22%.
The diff coverage is 50%.

@@            Coverage Diff             @@
##           master      #21      +/-   ##
==========================================
- Coverage     100%   97.77%   -2.23%     
==========================================
  Files           3        3              
  Lines          87       90       +3     
  Branches        9       10       +1     
==========================================
+ Hits           87       88       +1     
- Misses          0        1       +1     
- Partials        0        1       +1

Impacted Files	Coverage Δ
src/django_cognito_jwt/backend.py	95.34% <50%> (-4.66%)	⬇️

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[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (master@6a30df4). Learn more about missing BASE report.
⚠️ Report is 9 commits behind head on master.

Files with missing lines	Patch %	Lines
src/django_cognito_jwt/backend.py	50.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master      #21   +/-   ##
=========================================
  Coverage          ?   97.77%           
=========================================
  Files             ?        3           
  Lines             ?       90           
  Branches          ?       10           
=========================================
  Hits              ?       88           
  Misses            ?        1           
  Partials          ?        1           

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