CI/CD Pipeline with assignment 2 documentation

[MasahisaSekita]

Description

SCRUM-163

Here is the final assignment 2 documentation and workflow so that we now only deploy on main.

Type of change

• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings

[kevin-lann]

System design looks good.
Should be ready to deploy as production.