[navigation-next]feat: add description field in App. (#7152)

* feat: add description in app

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

* Changeset file for PR #7152 created/updated

* feat: update comment

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>

---------

Signed-off-by: SuZhou-Joe <suzhou@amazon.com>
Co-authored-by: opensearch-changeset-bot[bot] <154024398+opensearch-changeset-bot[bot]@users.noreply.github.com>

changelogs/fragments/7152.yml

@@ -0,0 +1,2 @@
+feat:
+- Add description field in App. ([#7152](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/7152))

src/core/public/application/application_service.test.ts

@@ -59,6 +59,7 @@ const createApp = (props: Partial<App>): App => {
   return {
     id: 'some-id',
     title: 'some-title',
+    description: 'some-description',
     mount: () => () => undefined,
     ...props,
   };
@@ -153,6 +154,7 @@ describe('#setup()', () => {
           id: 'app2',
           navLinkStatus: AppNavLinkStatus.visible,
           status: AppStatus.accessible,
+          description: 'some-description',
         })
       );
     });

src/core/public/application/types.ts

@@ -268,6 +268,12 @@ export interface App<HistoryLocationState = unknown> {
    * indicating the application is available within or out of workspace.
    */
   workspaceAvailability?: WorkspaceAvailability;
+
+  /**
+   * The description of the application.
+   * Will be displayed in landing page or getting started cards to give more information about the feature.
+   */
+  description?: string;
 }
 
 /**

src/core/public/chrome/nav_links/to_nav_link.test.ts

@@ -58,6 +58,7 @@ describe('toNavLink', () => {
         title: 'title',
         order: 12,
         tooltip: 'tooltip',
+        description: 'some-description',
         euiIconType: 'my-icon' as EuiIconType,
       }),
       basePath
@@ -69,6 +70,7 @@ describe('toNavLink', () => {
         order: 12,
         tooltip: 'tooltip',
         euiIconType: 'my-icon',
+        description: 'some-description',
       })
     );
   });