fix(core): update

ts/abstractclasses/csvparser.ts

@@ -0,0 +1,5 @@
+export abstract class AcCsvParser<T> {
+  public abstract paymentProviderName: string;
+  public abstract transactionArray: T[];
+  public abstract getTransactions(): Promise<T[]>;
+}

ts/abstractclasses/index.ts

@@ -0,0 +1 @@
+export * from './csvparser';