store user tx info in the DB to make it queryable

[owocki]

Description

this PR stores user tx info in the DB to make it queryable.

Refers/Fixes

supporting of a few data things i'm on which i am not ready to talk about publicly yet, but i can talk about on slack when prompted.

Testing

tested locally

[codecov]

Codecov Report

Merging #7653 into stable will increase coverage by 0.04%.
The diff coverage is 80.76%.

@@            Coverage Diff             @@
##           stable    #7653      +/-   ##
==========================================
+ Coverage   25.75%   25.79%   +0.04%     
==========================================
  Files         324      324              
  Lines       32420    32445      +25     
  Branches     4798     4800       +2     
==========================================
+ Hits         8349     8369      +20     
  Misses      23783    23783              
- Partials      288      293       +5     

Impacted Files	Coverage Δ
app/economy/models.py	51.97% <33.33%> (-0.77%)	⬇️
app/dashboard/models.py	50.12% <88.88%> (+0.11%)	⬆️
app/dashboard/admin.py	61.66% <100.00%> (+0.55%)	⬆️
app/dashboard/utils.py	41.97% <100.00%> (+0.39%)	⬆️
app/quests/views.py	16.22% <0.00%> (ø)
app/dashboard/views.py	10.34% <0.00%> (ø)
...rketing/management/commands/no_applicants_email.py	0.00% <0.00%> (ø)
...eting/management/commands/assemble_leaderboards.py	39.73% <0.00%> (ø)

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[amustapha]

LGTM