track when neighbours were last updated

prisma/migrations/20240323103128_add_neighbours_updated_at_column_to_nodes_table/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE `nodes` ADD COLUMN `neighbours_updated_at` DATETIME(3) NULL;

prisma/schema.prisma

@@ -33,6 +33,7 @@ model Node {
 
   neighbour_broadcast_interval_secs Int?
   neighbours                        Json?
+  neighbours_updated_at             DateTime?
 
   created_at DateTime @default(now())
   updated_at DateTime @default(now()) @updatedAt