[#447] Add hackathon timeline page

[azizu06]

Why

Implements the club hackathon timeline page, using the Figma layout and real hackathon data for dates, participants, and project submissions.

What

Closes: #447

• Adds the /hackathons page with the fixed Figma-based timeline layout.
• Uses real Knight Hacks event data and Roman numeral labels.

Test Plan

• pnpm format
• pnpm --filter=@forge/club lint
• pnpm --filter=@forge/club typecheck
• Visual Chrome screenshot at the Figma frame width still rendered correctly.

Checklist

• Database: No schema changes, OR I ran pnpm db:generate and committed the generated files in packages/db/drizzle/
• Environment Variables: No environment variables changed, OR I have contacted the Development Lead to modify them on Coolify BEFORE merging.

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• Commit unit tests in branch club/hackathons-timeline

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[Copilot]

Pull request overview

Adds a new /hackathons page to the Club app implementing a fixed Figma-based “timeline/history” layout with hardcoded hackathon data and associated static assets, plus minor formatting/whitespace cleanups in Cron and Blade.

Changes:

• Added apps/club/src/app/hackathons/page.tsx implementing the hackathon timeline page layout and content wiring.
• Added new static asset(s) under apps/club/public/hackathons/ (notably the new logo SVG) used by the new page.
• Minor formatting-only updates in Blade issue assignee display-name helpers and a whitespace cleanup in CronBuilder.

Reviewed changes

Copilot reviewed 5 out of 20 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
apps/cron/src/structs/CronBuilder.ts	Removes stray whitespace in the scheduling loop.
apps/club/src/app/hackathons/page.tsx	Introduces the new /hackathons timeline page with Figma-positioned layout, hackathon data, and navigation/footer.
apps/club/public/hackathons/Logo 130.svg	Adds a new logo asset used on the hackathons page.
apps/blade/src/app/admin/issues/[id]/page.tsx	Formatting-only change (line wrapping) for display name construction.
apps/blade/src/app/_components/issues/issue-fetcher-pane.tsx	Formatting-only change (line wrapping) for display name construction.
apps/blade/src/app/_components/issue-calendar/calendar-issue-dialog.tsx	Formatting-only change (line wrapping) for display name construction.

Comments suppressed due to low confidence (1)

apps/club/src/app/hackathons/page.tsx:373

• The card images are rendered with alt="", but they appear to be part of the content (and currently the only place the participant/project counts could exist). If these cards convey information, they need meaningful accessible text (preferably render the numbers as real HTML; at minimum provide descriptive alt text).

                <Image
                  src={`/hackathons/figma-card-real-${index}.png`}
                  alt=""
                  width={row.cardWidth}
                  height={row.cardHeight}
                  className="absolute"
                  sizes={`${Math.ceil(row.cardWidth)}px`}

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