feat(profiles): automatically persist wallets after CRUD operations

[faustbrian]

Resolves #376

[codecov]

Codecov Report

Merging #385 into master will decrease coverage by 4.33%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #385      +/-   ##
==========================================
- Coverage   76.04%   71.71%   -4.34%     
==========================================
  Files          60       46      -14     
  Lines        1532     1209     -323     
  Branches      143      120      -23     
==========================================
- Hits         1165      867     -298     
+ Misses        365      340      -25     
  Partials        2        2              

Impacted Files	Coverage Δ
src/data.ts
src/storage/null.ts
src/wallet-repository.ts
src/profile-repository.ts
src/storage/local.ts
src/settings.ts
src/avatar.ts
src/enums.ts
src/wallet.ts
src/env.ts
... and 4 more

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