Global Rainwater Harvesting Market Size, Share, And Business Benefits By Harvesting System (Above Ground Harvesting, Under Ground Harvesting), By Type (Rain Barrel System, Dry System, Wet System, Green Roof System, Others), By Service Provider (Original Equipment Manufacturer, Independent Supplier), By Application (Residential, Industrial, Commercial, Agricultural), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034