ENH: dataset 2400 support

[jankoslavic]

This is small task for somebody to give back to the package...

Here is the test data:
https://github.com/ladisk/pyuff/blob/main/data/NX%20simulation%20output.uff

Here is the documentation ( source: https://www.ceas3.uc.edu/sdrluff/):

Universal Dataset Number: 2400

Name: Model Header

Record 1: FORMAT(I12,2I6,I12)
Field 1 -- Model UID
Field 2 -- Entity type
Field 3 -- Entity subtype
Field 4 -- Version number

Record 2: FORMAT(40A2)
Field 1 -- Entity name

Record 3: FORMAT(40A2)
Field 1 -- Part number

Record 4: FORMAT(32I2)
Field 1-32 -- Status mask

Record 5: FORMAT(5I12)
Field 1-2 -- Date/time short time format
Field 3 -- IDM item version ID
Field 4 -- IDM item ID
Field 5 -- Primary parent UID

Record 6: FORMAT(I12)
Field 1 -- Optimization switches
=0, BOTH geometry and P analysis switch
off
=1, Geometry sw ON, P analysis sw OFF
=2, Geometry sw OFF, P analysis sw ON
=3, BOTH geometry and P analysis switch
ON

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