Add a new property used to determine whether or not to await the execution of a process

[cdavernas]

Please specify parts of this PR update:

• [x] Specification
• [x] Schema
• [ ] Examples
• [ ] Extensions
• [ ] Use Cases
• [ ] Community
• [ ] CTK
• [ ] Other

Discussion or Issue link:

Closes #991

What this PR does:

• Adds a new property used to determine whether or not to await the execution of a process

Additional information:

• Removes obsolete .markdownlint.yaml, .typo-ci.yml and Makefile obsolete files