feat: add dead letter queue

internal/deadletter/repositories/querier.go

@@ -0,0 +1,18 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.23.0
+
+package repositories
+
+import (
+	"context"
+
+	"github.com/google/uuid"
+)
+
+type Querier interface {
+	InsertDeadLetter(ctx context.Context, scheduleID uuid.UUID) error
+	Ping(ctx context.Context) (int32, error)
+}
+
+var _ Querier = (*Queries)(nil)