Feature/40 question summary page

[nmenezes0]

Context

Add a very basic question summary page (content and styling to be improved!).

Changes proposed in this pull request

Add a very basic question summary page - text of the question and list of themes.

This involves:

• Adding a Theme factory
• Adding a new page for the question summary

Additionally, changes in the migrations file are just from running ruff (code checks added in a separate PR).

TODO in a separate PR - styling.

Guidance to review

• Generate some data by running the management command: poetry run python manage.py generate_dummy_data.
• Go to the URL: consultation/<str:consultation_slug>/section/<str:section_slug>/question-summary/<str:question_slug>/ - and check question summary and some themes display (there may be duplicates, haven't gone as far as getting counts).
  (Get slugs from the database - pick a question and get the slug for that, the related section, and the consultation related to that section.)
• General code review.

Link to JIRA ticket

https://technologyprogramme.atlassian.net/browse/CON-40

Things to check

• I have added any new ENV vars in all deployed environments and updated the .env.example and .env.test files in the repo - N/A

[nmenezes0]

Changes now made - updated URL and name of view, deleted old question page (was there as a test), added a factory to create Answers, Themes etc for test.

[duncanjbrown]

Looking good! few comments inline

[duncanjbrown]

Looks vg! pls could you rebase and tidy commits?