Updating install instructions for macOS

[rokrsa]

• brew to install pyqt5
• instead brew to install zeromq, install pyzmq via pip3

Describe the contribution
A clear and concise description of what the contribution is.

• With make command, first it was not able to find the module PyQt5, then PyQt5.sip and later zmq. Hence i had to figure out the right way of installing these dependencies

Testing performed
Steps taken to test the contribution:

1. Tested on Mac 10.15.7

Expected behavior changes
A clear and concise description of how this contribution will change behavior and level of impact.

• python3 GroundSystem.py runs successfully.

System(s) tested on

• Hardware:Macbook
• OS: Mac OS X
• Versions: 10.15.7

Contributor Info - All information REQUIRED for consideration of pull request
Personal

[astrogeco]

I think we should instead use pip3 to install pyqt5.

See https://stackoverflow.com/questions/34583811/how-can-i-install-pyqt5-on-mac

[rokrsa]

Tested pip3 based installation. It works as expected.

[rokrsa]

@astrogeco - i am not able to clearly understand the changes requested by you.

[astrogeco]

My bad, I misread your changes. We're good to go!

[astrogeco]

Last step, if you haven't done so already, please download, sign, and email the appropriate Contributor License agreement below to GSFC-SoftwareRelease@mail.nasa.gov and cfs-program@lists.nasa.gov.

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Thank you so much or your contribution!

[astrogeco]

@rokrsa can you submit the CLA?

[dzbaker]

CCB 8 September 2022: Need issue and need to test steps.

[dzbaker]

CCB 8 September 2022: Need issue and need to test steps.

@rokrsa Thank you for your contribution! I'm going through some of the older PRs to see if we can get them merged in. Would you be able to create an issue for this and add some testing steps?

[dzbaker]

21 November 2022: Will discuss closing at next CCB due to missing CLA.