fix: rebrand Zapp.ie screenshots to Zaplie and fix section anchor

[BenGWeeks]

What & why

The product section anchor was still the legacy #zapp, so https://www.knowall.ai/#zaplie did not resolve, and the nine product screenshots still showed stale/real-world branding ("Zapp.ie", the "Eir Evo - Evo Labs" client team, a real "Microstrategy" customer, and an "evo marketplace" partner logo).

Changes

• Anchor: #zapp → #zaplie (section id, header nav, footer link) so the section resolves under the current brand.
• Screenshots (subtle in-place retouch, matched font/size/colour so it reads as the real product):
  • app header title Zapp.ie → Zaplie — all 9
  • Teams sidebar team Eir Evo - Evo Labs → KnowAll AI — all 9
  • chat sender Zapp.ie → Zaplie — 01-bot
  • Customer: Microstrategy → Customer: Contoso — 06-project
  • removed the Products provided by [evo marketplace] logo cluster — 07-rewards
• Removed the Visit getzapl.ie CTA button (that site does not exist yet). The GitHub repo link and Bitcoin Lightning badge remain.

Notes / decisions

• Used #zaplie (one p, matching the "Zaplie" brand everywhere in the copy) rather than the literal #zapplie from the request — shout if you'd prefer the double-p string.
• Replaced the real client "Eir Evo - Evo Labs" with "KnowAll AI" (dogfooding, on-brand). Easy to swap for a neutral demo name.
• One tiny remnant left alone: the ~20px team-avatar thumbnail beside "KnowAll AI" still carries the old logo's colours; it's not legible text and is invisible at display scale.

Test plan

• npm run typecheck — clean
• npm run lint — no warnings/errors
• npm run format:check — clean
• npm run build — succeeds
• Visual review of the 9 retouched screenshots in the carousel + the #zaplie scroll anchor from header/footer nav

Fixes #32

Screenshots

The rebranded Zaplie product section (retouched carousel — "Zapp.ie"/real client & partner branding removed — and the #zaplie scroll anchor):

[Copilot]

Pull request overview

This PR aligns the homepage “Zaplie” section anchor with the current brand by updating the section id and all in-page navigation links that point to it, and removes a CTA pointing at a non-existent getzapl.ie site.

Changes:

• Updated the Zaplie section anchor from #zapp to #zaplie across header, footer, homepage CTA, and the section id.
• Removed the “Visit getzapl.ie” CTA button from the Zaplie section.
• Updated the footer unit test to reflect the new anchor.

Reviewed changes

Copilot reviewed 4 out of 13 changed files in this pull request and generated no comments.

File	Description
tests/unit/components/footer.test.tsx	Updates the expected Zaplie section hash in the footer link test.
components/header.tsx	Updates the “Zaplie” product dropdown link to /#zaplie.
components/footer.tsx	Updates the “Bitcoin Integration” footer link to /#zaplie.
app/page.tsx	Updates the homepage CTA + section id to zaplie and removes the getzapl.ie CTA button.

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