Editorial suggestions.

[ioggstream]

This PR

• some editorial suggestions
• add Multi-Factor authentication to SCM
• add WEB API Design validation and associated tools

[wurstbrot]

The replacement of the placeholders works, I tested it with docker run -ti -v $(pwd)/src/assets/YAML/:/var/www/html/src/assets/YAML wurstbrot/dsomm-yaml-generation

[ioggstream]

Note: when I generate the yaml, it strips the assessment fields.

[ioggstream]

Thanks @wurstbrot Great work!