Add link

Author: VeckoTheGecko

workshops/scipy2026/index.ipynb

@@ -50,7 +50,7 @@
     "|||[Data structures Part 2](../../fundamentals/01_data_structures.md)| \n",
     "|||[Datatrees and Hierarchical data](../../fundamentals/01_datatree_hierarchical_data.ipynb)|\n",
     "| *10 minute Break* \n",
-    "| Xarray backends | 2:40 (60 min) | [TODO: Add link Intro to backends]()|\n",
+    "| Xarray backends | 2:40 (60 min) | [Add link Intro to backends](../../advanced/backends/intro-backends.ipynb)|\n",
     "|||Working with Xarray's backends ([Zarr stores in the cloud](../../intermediate/hierarchical_zarr_store.ipynb), [Rioxarray](../../advanced/backends/rasterio_backend.ipynb) )|\n",
     "|||Creating custom backends|\n",
     "| *10 minute Break* \n",