Add Get Joint Velocities

[GCRA101]

Issues addressed by this PR

Closes #461

ETABS Toolkit now can allow to extract joint velocity outputs from ETABS.

Test files

Grasshopper File
https://burohappold.sharepoint.com/:u:/s/BHoM/EbBh2Bp2-ClMnlW9wICmtawB01iZK2MJQ6E6n2egPAJaLA?e=lw9gCH
ETABS File
https://burohappold.sharepoint.com/:u:/s/BHoM/EWZD6lHguYFCqraF_rtmuJUBKGwKb-gREeNW-2wv3FDO8Q?e=vdDmlF

Changelog

• Added ReadNodeVelocity Method to retrieve Abs Joint Velocities from ETABS

[Chrisshort92]

Hi, @GCRA101 , the links you have attached above don not work. Can you update them then I can look to review this PR. Thanks.

[Chrisshort92]

Hi, @GCRA101 , the links you have attached above don not work. Can you update them then I can look to review this PR. Thanks.

@GCRA101 , Actually they do work if I copy the URL into the browser, will get on with testing these.

[Chrisshort92]

Functionality has been tested and confirmed with the test scripts provided. PR Approved.

[Chrisshort92]

@BHoMBot bot check required

[bhombot-ci]

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[GCRA101]

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@GCRA101 to confirm, the following actions are now queued:

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[GCRA101]

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[bhombot-ci]

@GCRA101 to confirm, the following actions are now queued:

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[peterjamesnugent]

I'm unable to test the functionality but will rely on @Chrisshort92's test.

Code looks fine and aligns well with the other results with a similar type.