Description

Adds the following warnings:

A warning over the sidebar stating again that its not fully accurate, even for majors that we have checked -- Here
Warning over certain requirements within a major that we have hand-validated -- Here
Pre req/co req warning -- Here

Closes #661

Type of change

Please tick the boxes that best match your changes.

[ ] Bug fix (non-breaking change which fixes an issue)
[x] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] This change requires a documentation update
[ ] This requires a run of yarn install
[ ] This has migration changes and requires a run of yarn dev:migration:run

Test on localhost

[ ] I have run the production builds in docker for the frontend/backend and ensure things run fine. Check README of repo on how to run if not sure.
[ ] I have performed a self-review of my own code
[ ] I have commented my code where needed
[ ] I have made corresponding changes to the documentation
[ ] My changes generate no new warnings
[ ] I have added tests that prove my fix is effective or that my feature works
[ ] New and existing unit tests pass locally with my changes
[ ] I've run the end to end tests
[ ] Any dependent changes have been merged and published in downstream modules