feat: export schemas of forms (#769)

Author: niktverd

src/schema/validators/components.ts

@@ -1,2 +1,3 @@
 export * from '../../components/Author/schema';
 export * from '../../components/Image/schema';
+export * from '../../components/YandexForm/schema';

src/schema/validators/sub-blocks.ts

@@ -7,3 +7,4 @@ export * from '../../sub-blocks/Quote/schema';
 export * from '../../sub-blocks/Divider/schema';
 export * from '../../sub-blocks/BasicCard/schema';
 export * from '../../sub-blocks/PriceCard/schema';
+export * from '../../sub-blocks/HubspotForm/schema';