Upstream PR CourseFlow to Doubtfire-web

[Knightwau2]

before: after:

Description

added courseflow component at doubtfire-web/src/app/courseflow, router courseflow component at header, profile section, in the third button of drop down menu. there isnt any logos for courseflow yet, so it is just a button with text that links to courseflow component.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

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

How Has This Been Tested?

i test it by logging into ontrack server, enter in student/aconvenor account and navigate to the user profile section, drop down menu to see if the courseflow component exists there. once successful, you should see a button named courseflow as the third option under profile drop-down menu.

Testing Checklist:

• [x] Tested in latest Chrome
• [x] Tested in latest Safari
• [x] Tested in latest Firefox

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have requested a review from @macite and @jakerenzella on the Pull Request

[jakerenzella]

Please check with your coursework team whether you were meant to submit this pr upstream. Regardless the work is far from done, and I'm not sure what any of this is.