feat(players): add bot user

[garrappachc]

Adds a bot user that will be responsible for various automatic actions.

[codecov]

Codecov Report

Merging #483 into master will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #483      +/-   ##
==========================================
+ Coverage   88.45%   88.48%   +0.03%     
==========================================
  Files          80       80              
  Lines        1906     1911       +5     
  Branches      215      216       +1     
==========================================
+ Hits         1686     1691       +5     
  Misses        215      215              
  Partials        5        5              

Impacted Files	Coverage Δ
src/environment/environment.ts	100.00% <100.00%> (ø)
src/players/models/player.ts	100.00% <100.00%> (ø)
src/players/services/players.service.ts	98.86% <100.00%> (+0.05%)	⬆️

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