Add % difference to weight and tx count in audit details

frontend/src/app/interfaces/node-api.interface.ts

@@ -153,6 +153,8 @@ export interface BlockAudit extends BlockExtended {
   expectedFees: number,
   expectedWeight: number,
   feeDelta?: number,
+  weightDelta?: number,
+  txDelta?: number,
   template: TransactionStripped[],
   transactions: TransactionStripped[],
 }