OSCAL SSP: Create cryptographic module content

[brian-ruf]

User Story

As an implementer of tools for authoring of a FedRAMP SSP content, I need to understand the correct way to express the FedRAMP SSP cryptographic module details in OSCAL

Content Location

This content must reside in the Developer Hub as follows:

Repo Location:

/content/documentation/ssp/oscal-representation/cryptographic-modules.md

URL Location:

https://automate.fedramp.gov/documentation/ssp/oscal-representation/cryptographic-modules/

Revision Work Alignment

This content must align with the work performed in issue #606 :