Add ExorcismAcademy

[dmoonfire]

Add ExorcismAcademy from https://ea.asmodrawscomics.com/

The namer is use to attempt to create a lexical ordering (four-digit zero pad) by moving the "Pg-\d+" in the file name to the beginning.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 62.50000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 82.00%. Comparing base (92bdd00) to head (809796f). Report is 64 commits behind head on master.

Files with missing lines	Patch %	Lines
dosagelib/plugins/e.py	62.50%	6 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #289      +/-   ##
==========================================
- Coverage   82.05%   82.00%   -0.05%     
==========================================
  Files          79       79              
  Lines        6649     6664      +15     
  Branches      525      525              
==========================================
+ Hits         5456     5465       +9     
- Misses       1073     1079       +6     
  Partials      120      120              

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