Enhance SCORM xAPI Integration and Activity Management

[jujusb]

• The SIMVA backend has been enhanced with SCORM xAPI integration, allowing for more comprehensive learning data tracking.
• A new parameter scorm_xapi_by_game controls the sending of SCORM xAPI data, providing flexibility in data transmission.
• Additionally, the system now includes reasons for activity suspension, enhancing clarity and debugging capabilities.
• The integration and enhancements represent significant improvements in activity management and data analysis.
• Users will benefit from more detailed insights into learning processes and better activity management tools.