NC | set noobaa as endpoint process title

[romayalon]

Explain the changes

1. setting process title needed for letting GPFS to identify the noobaa endpoint processes see issue NSFS | when FS is unavailable requests fail immediately with InternalError exhausting client attempts #8039.

Issues: Fixed #xxx / Gap #xxx

1. Fixed NSFS endpoint should set its process/threads name in the OS to be identified accurately #8049

Testing Instructions:

Manual Testing -

1. Tab 1 - Run sudo node src/cmd/nsfs.js --debug=5
2. Tab 2 - Run ps -e | grep noobaa and expect 1 result.
3. Try setting ENDPOINT_FORKS = 3 in config.json and expect 4 results of step 2.

% ps -e | grep noobaa
14536 ttys000    0:03.04 noobaa
14539 ttys000    0:03.28 noobaa
14540 ttys000    0:03.43 noobaa
14541 ttys000    0:03.31 noobaa
14563 ttys005    0:00.00 grep --color=auto noobaa

• Doc added/updated
• Tests added

[romayalon]

@eshelmarc Could we check this oneliner on your machine?