Issue #3349713: Add indexes to Voting API entity tables to speed up result calculations

src/Entity/Vote.php

@@ -28,6 +28,7 @@ use Drupal\votingapi\VoteInterface;
  *   bundle_entity_type = "vote_type",
  *   handlers = {
  *     "storage" = "Drupal\votingapi\VoteStorage",
+ *     "storage_schema" = "Drupal\votingapi\VoteStorageSchema",
  *     "access" = "Drupal\votingapi\VoteAccessControlHandler",
  *     "form" = {
  *       "delete" = "Drupal\votingapi\Form\VoteDeleteConfirm"