add 7702 subpage

[nconsigny]

Create a subpage for 7702 in the Pectra page

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Lighthouse	7 paths audited Performance: 48 (🔴 down 5 from production) Accessibility: 95 (🟢 up 1 from production) Best Practices: 89 (🔴 down 9 from production) SEO: 98 (no change from production) PWA: 59 (no change from production) View the detailed breakdown and full score reports

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[pettinarip]

no contrast on dark mode. @nloureiro working on it

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