Feature: Return Start on server start

[girdharshubham]

Closes #633

[codecov-commenter]

Codecov Report

Merging #682 (ed32dce) into main (d1f9d8b) will increase coverage by 0.16%.
The diff coverage is 80.00%.

@@            Coverage Diff             @@
##             main     #682      +/-   ##
==========================================
+ Coverage   49.83%   50.00%   +0.16%     
==========================================
  Files          69       69              
  Lines        2061     2064       +3     
  Branches       52       50       -2     
==========================================
+ Hits         1027     1032       +5     
+ Misses       1034     1032       -2     

Impacted Files	Coverage Δ
zio-http/src/main/scala/zhttp/service/Server.scala	56.00% <80.00%> (+4.93%)	⬆️
...cala/zhttp/service/server/LeakDetectionLevel.scala	50.00% <0.00%> (+25.00%)	⬆️

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[amitksingh1490]

🚀🚀🚀 Benchmark Results

Concurrency: 256
Requests/sec: 436891.79