v1.18.0

What's Changed

• Update homepage header by @Donna-H in #706
• PUI - toolbar refine design by @Donna-H in #713
• update size of link by @Donna-H in #714
• Add helpful message at the end of the results pages by @dragon-dxw in #711
• Assorted typography tightening on PUI by @jacksonj04 in #715
• Fix/terms of use by @Terry-Price in #720
• Add prettier to pre-commit by @jacksonj04 in #719
• Harmonise the PUI containers and headers by @jacksonj04 in #722
• Fix for "back to search" always appearing by @jacksonj04 in #716

Full Changelog: v1.17.30...v1.18.0