Add cdisc-rules-engine checks

[pendingintent]

Add cdisc-rules-engine conformance checks for each USDM generator to allow the user to address issues in the SOA before generating the 'full' USDM JSON.

https://github.com/cdisc-org/cdisc-rules-engine/blob/main/PYPI.md

[pendingintent]

Use a subset of the available USDM 4.0 CORE rules for each Entity type. For example, for Timings:

-r CORE-000948 -r CORE-000826 -r CORE-000830 -r CORE-000417 -r CORE-000904 -r CORE-000403 -r CORE-000428 -r CORE-000423 -r CORE-000820 -r CORE-000402 -r CORE-000905 -r CORE-000825

[pendingintent]

usdm_core_rules_table.html
rules_to_table.py
list_usdm_core_rules.json