feat: add channels field

Author: Fyrlex

src/payloads/Summary.ts

@@ -4,6 +4,10 @@ export interface APICountingSummary<IDType> {
    * If the summary is the current one
    */
   current: boolean;
+  /**
+   * Number of Counting Channels created for the day
+   */
+  channels: number;
   /**
    * Number of commands executed for the day
    */