feat(SPV-1592): create engine v2

[dorzepowski]

Pull Request Checklist

• 📖 I created my PR using provided : CODE_STANDARDS
• 📖 I have read the short Code of Conduct: CODE_OF_CONDUCT
• 🏠 I tested my changes locally.
• ✅ I have provided tests for my changes.
• 📝 I have used conventional commits.
• 📗 I have updated any related documentation.
• 💾 PR was issued based on the Github or Jira issue.

[github-actions]

Manual Tests

ℹ️ Remember to ask team members to perform manual tests and to assign tested label after testing.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 1.66667% with 472 lines in your changes missing coverage. Please review.

Project coverage is 33.58%. Comparing base (74de94f) to head (316f54b).

Files with missing lines	Patch %	Lines
engine/v2/engine/engine.go	0.00%	151 Missing ⚠️
engine/v2/engine/internal/storage.go	0.00%	120 Missing ⚠️
engine/v2/engine/paymail.go	0.00%	53 Missing ⚠️
engine/v2/fee/fee_service.go	0.00%	39 Missing ⚠️
engine/v2/engine/internal/cache.go	0.00%	34 Missing ⚠️
actions/v2/callback/callbacks.go	0.00%	24 Missing ⚠️
engine/client.go	0.00%	13 Missing and 2 partials ⚠️
engine/v2/engine/engine_overrides.go	0.00%	12 Missing ⚠️
engine/v2/utils/must/must.go	0.00%	10 Missing ⚠️
actions/v2/register.go	0.00%	4 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #954      +/-   ##
==========================================
- Coverage   34.50%   33.58%   -0.92%     
==========================================
  Files         437      444       +7     
  Lines       20826    21167     +341     
==========================================
- Hits         7186     7109      -77     
- Misses      13041    13461     +420     
+ Partials      599      597       -2     

Flag	Coverage Δ
unittests	33.58% <1.66%> (-0.92%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
engine/client_internal.go	65.38% <100.00%> (-5.34%)	⬇️
engine/client_options.go	66.27% <ø> (+0.62%)	⬆️
engine/definitions.go	100.00% <100.00%> (+15.78%)	⬆️
engine/paymail/paymail_service_client.go	51.07% <100.00%> (ø)
initializer/config_to_options.go	0.00% <ø> (ø)
actions/transactions/broadcast_callback.go	0.00% <0.00%> (ø)
...gine/v2/database/testabilities/fixture_database.go	0.00% <0.00%> (ø)
...ngine/v2/paymailserver/paymail_service_provider.go	0.00% <0.00%> (ø)
server/server.go	7.31% <60.00%> (+1.14%)	⬆️
actions/v2/register.go	0.00% <0.00%> (ø)
... and 10 more

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 74de94f...316f54b. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.