feat: add transactions comments action

hasura/metadata/actions.graphql

hasura/metadata/actions.yaml

...etadata/databases/default/tables/public_transactions.yaml

hasura/metadata/databases/default/tables/tables.yaml

.../migrations/default/1705109757208_add-transactions/up.sql

index.ts

lib/add_transaction.ts

lib/delete_profile.ts

lib/duniter_service.ts

lib/migrate_profile.ts

lib/signature_verify.ts

lib/types.ts

lib/update_profile.ts

lib/utils.ts

scripts/export-migrations.sh