Allow unreconcile and expand API to block reconciled transactions.

app/Repositories/Journal/JournalRepositoryInterface.php

@@ -133,6 +133,13 @@ interface JournalRepositoryInterface
      */
     public function reconcileById(int $journalId): void;
 
+    /**
+     * TODO Maybe to account repository? Do this wen reconcile is API only.
+     *
+     * @param int $journalId
+     */
+    public function unreconcileById(int $journalId): void;
+
     /**
      * Search in journal descriptions.
      *