Fragment-based Drug Discovery Library and Service Providers Market by Type of Technique (X-ray Crystallography, Nuclear Magnetic Resonance, Surface Plasmon Resonance, and Other Screening Techniques), by Type of Service (Library Screening, Fragment Screening, Fragment Optimization), by End User (Industry and Non-industry Players), and by Key Geographies (North America, Europe and Asia- Pacific and rest of the world): Industry Trends and Global Forecasts, 2020-2030