Export PropertyFieldGrid (#642)

* Export PropertyFieldGrid

* make public

Author: petkir

src/PropertyFieldGrid.ts

@@ -0,0 +1 @@
+export * from './propertyFields/propertyFieldGrid/index';

src/index.ts

@@ -29,4 +29,5 @@ export * from './PropertyFieldFolderPicker';
 export * from './PropertyFieldColumnPicker';
 export * from './PropertyFieldMonacoEditor';
 export * from './PropertyFieldMessage';
-export * from './PropertyFieldButton';
+export * from './PropertyFieldButton';
+export * from './PropertyFieldGrid';