Add "How to solve zmq.error.ZMQError" to FAQ

[iandol]

Added a section to the FAQ detailing a possible error if a user uses the server IP in the example code.

Brief Description

Based on #291 where I did not properly parse the instructions, I

Requirements / Checklist

• I have read the PR Guidelines.
• I have read the Documentation.
• I have updated the documentation accordingly(if required).

Related Issue

(#291)

Context

Clarifies the potential problems a user may face if they assume servers are the ones that define the IP used.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

None of the above, this is just a documentation fix...

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