API endpoint for fetching creator data for created items and series example: GET /exchangeart/api/${creator} response: { creator: username, walletAddress: string followers: number, volume: number, series: [ series_name: { items: number, tag: string, etc... }], created: [ name: { series: string, type: edition/1-1/etc (string) categories: string[] supply: number, status: string, token_address: string, metadata: string, owners: string[], secondaries: { available: [{}] } }] }