feat: Support tagging friends on tastings

[dcramer]

This does not do anything with the data other than record it and return it via the API.

Will follow up with:

1. showing whos tagged
2. notifications when you're tagged

Refs #10

[codecov]

Codecov Report

Patch coverage: 40.00% and project coverage change: -0.20% ⚠️

Comparison is base (fb94a22) 84.02% compared to head (b3b6237) 83.82%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #57      +/-   ##
==========================================
- Coverage   84.02%   83.82%   -0.20%     
==========================================
  Files         126      126              
  Lines        9951     9995      +44     
  Branches      844      847       +3     
==========================================
+ Hits         8361     8378      +17     
- Misses       1590     1617      +27     

Files Changed	Coverage Δ
apps/api/src/routes/addTasting.ts	72.63% <18.18%> (-7.26%)	⬇️
apps/api/src/lib/serializers/tasting.ts	91.89% <52.63%> (-8.11%)	⬇️
apps/api/src/db/schema/tastings.ts	100.00% <100.00%> (ø)

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