CTFG-NYC

Updated the agency bridge to use Databook's public API and configured the calendar to fetch all rows while keeping past events collapsed by default.

Reverts an accidental attribute change to ensure the past events section on the calendar remains collapsed by default. This fixes a minor layout issue introduced in a previous update.

Fixed a bug in the calendar event fetcher that capped results at 100 rows, causing many NYC events to be dropped. The system now pages through all available rows using limit and offset parameters to ensure all upcoming events are displayed.

Replaced the header logo with a new layout featuring a violet NYC text, a three-arrow mark, and a two-line Civic Tech Field Guide wordmark. The update uses a flex layout to render the text in the site's Space Grotesk font and removes the recommended chip.

Updated the platform with the CTFG-NYC logo, a new Calendar page, and clickable project cards on the submission page. Added challenge subscriptions with email alerts, a Databook procurement bridge, and AI-assisted challenge submissions. Fixed missing images on listing and match cards, and enriched match index metadata and agency pages.

Launched the local NYC edition of the Civic Tech Field Guide with an initial commit and a top-level README.