Create initial report card settings configuration (singleton pattern). Use Cases:
update endpoint to modify existing settingsreset endpoint to restore default settings
Configuration Structure:
The report settings typically contain:priority: Ranking priority rules for report cardso_level_rules: Array of rules for O-Level students (Subjects Passed, Grades, Total marks)a_level_rules: Array of rules for A-Level students (Subjects Passed, Symbol, Total marks)rule, priority (1, 2, 3…), and description
Validation Rules:reset endpoint if neededdestroy endpoint