feat(api-http): database ready plugin

[oXtxNt9U]

Summary

Return 503 while the database can not be used.

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

❌ Patch coverage is 0% with 47 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.15%. Comparing base (f7120dd) to head (f9e8b55).
⚠️ Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ckages/api-common/source/plugins/database-ready.ts	0.00%	39 Missing ⚠️
...ages/api-common/source/plugins/response-headers.ts	0.00%	6 Missing ⚠️
packages/api-common/source/plugins/index.ts	0.00%	1 Missing ⚠️
packages/api-http/source/service-provider.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1061      +/-   ##
===========================================
+ Coverage    48.82%   49.15%   +0.32%     
===========================================
  Files         1100     1104       +4     
  Lines        59693    60177     +484     
  Branches      1459     1536      +77     
===========================================
+ Hits         29146    29577     +431     
- Misses       30439    30490      +51     
- Partials       108      110       +2     

Flag	Coverage Δ
contracts	98.62% <ø> (?)
packages	48.78% <0.00%> (-0.04%)	⬇️

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