chore(catalog): export RelatedEntitiesCard component

Signed-off-by: djamaile <rdjamaile@gmail.com>

.changeset/poor-eggs-destroy.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog': patch
+---
+
+Export the `RelatedEntitiesCard` component which is helpful in case you want to model custom relations between entities

plugins/catalog/src/components/RelatedEntitiesCard/RelatedEntitiesCard.tsx

@@ -34,7 +34,7 @@ type Props<T extends Entity> = {
   variant?: 'gridItem';
   title: string;
   columns: TableColumn<T>[];
-  entityKind: string;
+  entityKind?: string;
   relationType: string;
   emptyMessage: string;
   emptyHelpLink: string;

plugins/catalog/src/plugin.ts

@@ -186,3 +186,15 @@ export const EntitySystemDiagramCard = catalogPlugin.provide(
     },
   }),
 );
+
+export const EntityGenericRelationshipCard = catalogPlugin.provide(
+  createComponentExtension({
+    name: 'EntityGenericRelationshipCard',
+    component: {
+      lazy: () =>
+        import('./components/RelatedEntitiesCard').then(
+          m => m.RelatedEntitiesCard,
+        ),
+    },
+  }),
+);