Add counter to database and Python representation

Fixes #122 (closed) Fixes #123 (closed)

Created by: codecov[bot]

Codecov Report

Merging #130 into master will decrease coverage by 0.08%. The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master     #130      +/-   ##
==========================================
- Coverage   91.29%   91.21%   -0.09%     
==========================================
  Files          38       38              
  Lines        2770     2788      +18     
  Branches      356      359       +3     
==========================================
+ Hits         2529     2543      +14     
- Misses        202      204       +2     
- Partials       39       41       +2     

Impacted Files	Coverage Δ
src/_zkapauthorizer/schema.py	100.00% <ø> (ø)
src/_zkapauthorizer/tests/strategies.py	94.51% <ø> (ø)
src/_zkapauthorizer/tests/test_client_resource.py	98.85% <ø> (ø)
src/_zkapauthorizer/tests/test_model.py	89.11% <ø> (ø)
src/_zkapauthorizer/controller.py	92.03% <50.00%> (-0.74%)
src/_zkapauthorizer/model.py	91.57% <85.71%> (-0.45%)
src/_zkapauthorizer/tests/test_controller.py	97.58% <100.00%> (+0.07%)

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update c32a102...8defd19. Read the comment docs.