feat: add sources to retrieve news and divide the IA reflexions in 2 steps to limit the number of news

backend/internal/models/models.go

@@ -97,3 +97,10 @@ type Setting struct {
 	Key   string `json:"key"`
 	Value string `json:"value"`
 }
+
+type ScheduleSlot struct {
+	ID         string `json:"id"`
+	DayOfWeek  int    `json:"day_of_week"` // 0=dimanche, 1=lundi ... 6=samedi
+	Hour       int    `json:"hour"`
+	Minute     int    `json:"minute"`
+}