Improve implementation of OpenAPIRouter for Scala DSL

[ihostage]

Thank you @mkurz for your help 🤝

[mkurz]

Ahh ok 😉 You are welcome Sergey!

[codecov-commenter]

Codecov Report

Merging #51 (d5cc96a) into master (b9be319) will decrease coverage by 0.16%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master      #51      +/-   ##
============================================
- Coverage     68.72%   68.55%   -0.17%     
  Complexity      138      138              
============================================
  Files            22       22              
  Lines           422      423       +1     
  Branches         89       89              
============================================
  Hits            290      290              
- Misses           76       77       +1     
  Partials         56       56              

Impacted Files	Coverage Δ
.../taymyr/lagom/scaladsl/openapi/OpenAPIRouter.scala	0.00% <0.00%> (ø)

---

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 b9be319...d5cc96a. Read the comment docs.