Online Car Rental Platform Market Size, Share & Demand Report By Booking Mode (Mobile Application, Web-Based Platform), By Vehicle Type (Economy Cars, Compact Cars, Mid-Size Cars, Luxury Cars, SUVs, Electric Vehicles), By Rental Duration (Short-Term Rentals, Long-Term Rentals), By Customer Type (Leisure Travelers, Business Travelers, Corporate Clients), By Region & Segment Forecasts, 2026–2034