feat: package rollback support (#161)

* implement support of rollback handler

* react interface for the rollback

frontend/src/components/package/TabKey.ts

@@ -17,11 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
-export type TabKey = "logs" | "changes" | "pkgbuild" | "events";
+export type TabKey = "logs" | "changes" | "pkgbuild" | "events" | "artifacts";
 
 export const tabs: { key: TabKey; label: string }[] = [
     { key: "logs", label: "Build logs" },
     { key: "changes", label: "Changes" },
     { key: "pkgbuild", label: "PKGBUILD" },
     { key: "events", label: "Events" },
+    { key: "artifacts", label: "Artifacts" },
 ];