Merge branch 'Topic/1297-maintenanceBanner' into 'Product/917-maintenanceFunctionality'

Topic/1297 maintenance banner

See merge request !115

.gitignore

@@ -11,6 +11,9 @@ publishDocsTempFolder
 !.yarn/versions
 .pnp.*
 
+# npm packages
+package-lock.json
+
 # Logs
 logs
 *.log

src/requests/notice-api.ts

@@ -20,4 +20,13 @@ export class NoticeApi {
       .then(thenHandler)
       .catch(catchHandler);
   }
+  public static GetMaintenance(
+    thenHandler: any = apiConnectionBasic.defaultThenHandler,
+    catchHandler: any = apiConnectionBasic.defaultOnCatch
+  ) {
+    return axios
+      .get(getNoticeApiUrl() + encodeURIComponent('getMaintenance'))
+      .then(thenHandler)
+      .catch(catchHandler);
+  }
 }