Resolve "Add content schemas status documentation"

Type of change

• Bug Fix
• Feature

Does this introduce a change in the core logic?

• [No]

Does this introduce a change in the cloud provider implementation, and if so which cloud?

• AWS
• Azure
• GCP
• IBM

Does this introduce a change that must be documented in the README.md file?

• [Yes]: Adds subtitle to reference content schemas documentation.

Updates description?

• Create Content Schemas documentation including schema name, status, version, api version, and reference to JSON file.
• Closes #298 (closed)