Add redirects for updated user research content

https://github.com/alphagov/government-service-design-manual/pull/380
Add new redirect

Also update existing redirect to reference the new version.

See https://github.com/alphagov/government-service-design-manual/pull/390
Service manual updates version-97

https://github.com/alphagov/government-service-design-manual/compare/version-96...version-97
Merge pull request #174 from alphagov/user-research-updates-redirects

Add redirects for updated user research content
Merge pull request #175 from alphagov/look-and-feel-redirect

Add new redirect
Service manual updates version-98

https://github.com/alphagov/government-service-design-manual/compare/version-97...version-98
Add redirect for induction-and-development

See https://github.com/alphagov/government-service-design-manual/pull/402