added jupyter and updated slic

jupyter.yml

@@ -0,0 +1,41 @@
+# Analysis environment derived from the same set of packages but using 
+# the most up-to-date packages from conda-forge. 
+# Therefore this will follow upstream packages closer but also break from time to time.
+name: jupyter
+channels:
+   - paulscherrerinstitute
+   - conda-forge
+   - defaults
+dependencies:
+   - python
+   - pip
+   - numpy
+   - scipy
+   - pandas
+   - numba
+   - matplotlib
+   - ipython
+   - jupyterlab
+   - ipympl
+   - joblib
+   - black
+   - pytest
+   - h5py
+   - pytables
+   - lmfit
+   - loguru
+   # Jupyterlab extensions
+   - nb_conda_kernels # for discovery of other kernels
+   - jupyterlab_code_formatter
+   - jupyter-collaboration
+   #  disabled until stable with collaboration: - jupytext
+   # PSI specific modules
+   - jungfrau_utils
+   - bitshuffle
+   - sfdata
+     #   - pip:
+     #- ipytest
+
+# still necessary manually afterwards:
+# pip install jupyterlab_hdf
+# jupyter labextension install @jupyterlab/hdf5