feat(profiles): implement Contacts

[faustbrian]

Resolves #351

[codecov]

Codecov Report

Merging #375 into master will increase coverage by 0.96%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #375      +/-   ##
==========================================
+ Coverage   74.77%   75.74%   +0.96%     
==========================================
  Files          58       60       +2     
  Lines        1475     1513      +38     
  Branches      136      142       +6     
==========================================
+ Hits         1103     1146      +43     
+ Misses        370      365       -5     
  Partials        2        2              

Impacted Files	Coverage Δ
src/profile.ts	89.28% <0.00%> (-2.39%)	⬇️
src/profiles.ts
src/profile-repository.ts	93.75% <0.00%> (ø)
src/contact.ts	100.00% <0.00%> (ø)
src/contact-repository.ts	100.00% <0.00%> (ø)
src/services/ledger.ts	96.42% <0.00%> (+0.06%)	⬆️
src/services/client.ts	89.94% <0.00%> (+0.24%)	⬆️
src/dto/transaction.ts	84.00% <0.00%> (+0.32%)	⬆️
src/services/transaction.ts	46.97% <0.00%> (+2.58%)	⬆️
src/services/identity/keys.ts	88.00% <0.00%> (+4.00%)	⬆️

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