Export AboutContent and other helpful functions

Signed-off-by: Heather Lee <heatherl@splunk.com>

plugins/catalog/src/components/AboutCard/index.ts

@@ -15,3 +15,6 @@
  */
 
 export { AboutCard } from './AboutCard';
+export { AboutContent } from './AboutContent';
+export { AboutField } from './AboutField';
+export { ScmIntegrationIcon } from './ScmIntegrationIcon';

plugins/catalog/src/index.ts

@@ -21,6 +21,8 @@ export { EntityPageLayout } from './components/EntityPageLayout';
 export { CatalogTable } from './components/CatalogTable';
 export * from './components/EntitySwitch';
 export { Router } from './components/Router';
+export * from './components/EntityOrphanWarning';
+export * from './components/AboutCard';
 export {
   CatalogEntityPage,
   CatalogIndexPage,
@@ -36,4 +38,4 @@ export {
   EntityLinksCard,
   EntitySystemDiagramCard,
 } from './plugin';
-export * from './components/EntityOrphanWarning';
+export * from './utils';