initial macos workflow for js-ng

[sameh-farouk]

Description

initial macOS workflow for js-ng that installs the dependencies, installs the project, and runs our unit tests.
it will run only when manually triggered.

Related Issues

#593

Checklist

• Pre-commit hook is installed to do formatting checks before committing code...etc
• Tests included
• Build pass
• Documentation
• Code format and docstrings

[codecov-commenter]

Codecov Report

Merging #594 (0968325) into development (811a435) will decrease coverage by 0.14%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           development     #594      +/-   ##
===============================================
- Coverage        69.78%   69.64%   -0.15%     
===============================================
  Files               84       84              
  Lines             4246     4246              
===============================================
- Hits              2963     2957       -6     
- Misses            1283     1289       +6     

Impacted Files	Coverage Δ
jumpscale/tools/startupcmd/startupcmd.py	85.53% <0.00%> (-1.26%)	⬇️
jumpscale/sals/process/__init__.py	63.19% <0.00%> (-1.23%)	⬇️

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