feat(www): ecosystem and partners page with scrolling logo strip

[odarome132]

Closes #69

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Summary

Adds a new /ecosystem page and a horizontally scrolling PartnerStrip component to the homepage, making 8 ecosystem integrations (Freighter, LOBSTR, xBull, Albedo, Reflector, Soroswap, Aquarius, Blend) visible.

What changed

• src/data/ecosystem.json — New data file with 8 partners across 5 categories (wallets, DEXes, lending, indexers, oracles). Categories with zero partners (oracles) are automatically filtered out on the page.
• src/data/README.md — Documented the JSON schema for ecosystem.json and all other data files.
• src/components/PartnerStrip.tsx — Horizontally scrolling marquee logo strip with hover tooltips. Uses CSS animation for smooth infinite scroll, pauses on hover/focus, and respects prefers-reduced-motion.
• src/pages/Ecosystem.tsx — Full /ecosystem page with header, categorized card grid, integrate CTA. Wrapped with Layout for consistent global header/footer. Lazy-loaded.
• src/App.tsx — Added /ecosystem route (lazy + Layout), added PartnerStrip to Home (statically imported, outside lazy Suspense).
• public/logos/ecosystem/ — 8 SVG logo files for each partner.
• src/index.css — Added @Keyframes marquee-scroll animation and .animate-scroll utility class.
• src/tests/Ecosystem.test.tsx — 23 tests covering the ecosystem page, PartnerStrip, data integrity, accessibility (axe), and the empty-category edge case.

Key design decisions

• PartnerStrip is statically imported (not lazy) and placed outside the lazy Suspense boundary so it renders immediately without waiting for below-the-fold lazy components — prevents CLS on viewport entry.
• Logos use explicit width/height attributes to reserve space and prevent layout shift.
• The scrolling strip uses CSS animation-play-state on hover instead of DOM duplication — no duplicate content in the accessibility tree.
• The Ecosystem page reuses the global Layout wrapper for consistent navigation and footer.

Acceptance criteria checklist

• Logo strip renders on / without CLS — statically imported, fixed image dimensions, renders immediately.
• /ecosystem route added — lazy-loaded with Layout wrapper.
• JSON schema documented in src/data/README.md — includes ecosystem.json and all other data files.
• All logos SVG — 8 SVG files in public/logos/ecosystem/.

Test output

Tests: 23 passed (Ecosystem) / 42 total (all suites).
Coverage: Not configured in the project.
Typecheck: passes.
Lint: Prettier passes.
Build: passes (includes format check + build via husky pre-commit).

Follow-ups

• Real brand logos could replace the placeholder SVGs.
• The PartnerStrip could be made lazy if bundle size becomes a concern (< 2 KB gzipped).

Security note

No new dependencies. All partner links use target="_blank" with rel="noopener noreferrer". SVGs are static assets — no user-controlled content rendered.

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[truthixify]

In, thanks. Ecosystem + partners page adds real surface for surfacing integrations.