chore: align urls

[TomCools]

DRAFT, DO NOT REVIEW YET, manual testing of UI ongoing.

Description of the change

Some URLs were not consistent,

• Score analysis was a PUT call to analyse. This should be POST "score-analysis".
• Starting a run should be POST to /<problem>, not POST to /<problem>/solve

Checklist

Development

• [ ] The changes have been covered with tests, if necessary.
• [ ] You have a green build, with the exception of the flaky tests.
• [ ] UI and JS files are fully tested, the user interface works for all modules affected by your changes (e.g., solve and analyze buttons).
• [ ] The network calls work for all modules affected by your changes (e.g., solving a problem).
• [ ] The console messages are validated for all modules affected by your changes.

Code Review

• [ ] This pull request includes an explanatory title and description.
• [ ] The GitHub issue is linked.
• [ ] At least one other engineer has approved the changes.
• [ ] After PR is merged, inform the reporter.

[TomCools]

Still need to modify the REST Guide HTML

[TomCools]

This one got too old, don't see a lot of value of continuing this at this moment.