v0.59.0 — Gumtree API

• Gumtree API — 8 endpoints via client.gumtree, with typed responses. UK classifieds (gumtree.com): search (query, category slug, location slug/town/postcode with a distance radius in miles, min_price/max_price in GBP, sort, seller_type, urgent_only, with_photos, category-specific filters: "key:value,...", page 1–50), searchFilters (a category's filters, sort orders and radius options with live counts), getListing (description, every attribute incl. full vehicle spec and history-check flags, images, location, seller with rating, verification and masked phone, similar listings), getSellerListings, autocomplete, locationAutocomplete, listLocations and listCategories. Dates come as both Unix *_utc and ISO 8601 *_at. Types are exported with a Gumtree prefix (e.g. GumtreeListingDetail).