Add example for request id logging

[silwalanish]

Resolves #16

• Add a simple logging service
  • Log info/debug with a unique request id prepended.

Output

[ DEBUG ] [ 4d5fc07c ] Received a: 20
[ DEBUG ] [ 4d5fc07c ] Received b: 30
[ INFO  ] [ 4d5fc07c ] Simulating delay
[ DEBUG ] [ 4d5fc07c ] Calculated sum: 2030
[ DEBUG ] [ b3862126 ] Received a: 10
[ DEBUG ] [ b3862126 ] Received b: 50
[ INFO  ] [ b3862126 ] Simulating delay
[ DEBUG ] [ b3862126 ] Calculated sum: 1050
[ DEBUG ] [ 40f72e60 ] Received a: 50
[ DEBUG ] [ 40f72e60 ] Received b: 100
[ INFO  ] [ 40f72e60 ] Simulating delay
[ DEBUG ] [ 40f72e60 ] Calculated sum: 50100
[ INFO  ] [ 4d5fc07c ] Delay end
[ INFO  ] [ b3862126 ] Delay end
[ INFO  ] [ 40f72e60 ] Delay end

[codecov-io]

Codecov Report

Merging #24 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #24   +/-   ##
======================================
  Coverage    69.1%   69.1%           
======================================
  Files           5       5           
  Lines         123     123           
  Branches       19      19           
======================================
  Hits           85      85           
  Misses         31      31           
  Partials        7       7

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[mesaugat]

Looks good from my side. @silwalanish 💯

I'll let @kabirbaidhya handle the rest. 🙏

[kabirbaidhya]

Looks all good @silwalanish 💯 👍