Return Mega/Micro Service Version number at runtime

[louie-tsai]

Description

For those running Mega/Micro Service, users might need to understand its version for debugging or runtime issues.
Therefore, add a method to get version number at runtime

Issues

n/a.

Type of change

List the type of change like below. Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds new functionality)
• Breaking change (fix or feature that would break existing design and interface)
• Others (enhancement, documentation, validation, etc.)

Dependencies

NA

Tests

Manually test on AWS Xeon instance

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
comps/cores/mega/http_service.py	0.00%	2 Missing ⚠️

Files with missing lines	Coverage Δ
comps/cores/mega/http_service.py	76.71% <0.00%> (-1.07%)	⬇️

[louie-tsai]

@chensuyue could you take a look for the PR?

[chensuyue]

@lvliang-intel please review.

[louie-tsai]

@lvliang-intel please review.

@lvliang-intel Could you help to check the PR?