add peer connections to summary report

Author: toger5

src/webrtc/stats/statsReport.ts

@@ -79,4 +79,5 @@ export interface SummaryStatsReport {
     maxJitter: number;
     maxPacketLoss: number;
     percentageConcealedAudio: number;
+    peerConnections: number;
 }

src/webrtc/stats/summaryStatsReporter.ts

@@ -57,6 +57,7 @@ export class SummaryStatsReporter {
             percentageConcealedAudio: Number(
                 (summaryCounter.concealedAudio / summaryTotalCount).toFixed(decimalPlaces),
             ),
+            peerConnections: summaryTotalCount,
         } as SummaryStatsReport;
         this.emitter.emitSummaryStatsReport(report);
     }