📝 Update dashboard section

* Add voila vs. panel
* Remove appmode and deprecated jupyter-dashboards and jupyter-flex
* Update voilà templating
* Update panel templates notebook

Author: veit

docs/dashboards/appmode/app-example.ipynb

@@ -1,40 +1,24 @@
 Dashboards
 ==========
 
-:doc:`Jupyter Dashboards Layout Extension <jupyter-dashboards/index>`
-    Add-on for Jupyter notebooks, with which outputs (text, plots, widgets,
-    :abbr:`etc. (et cetera)`) can be arranged in a design grid or in report
-    form.
-:doc:`appmode/index`
-    Jupyter extension that turns notebooks into web applications.
-:doc:`/nbviewer`
-    It's great for viewing static reports, but it can also be used in
-    conjunction with :doc:`interaktiven Widgets </ipywidgets/embedding>`.
+:doc:`voila/index`
+    was developed by `QuantStack <https://quantstack.net/>`_ as a dashboard
+    solution based on Jupyter Notebooks and :doc:`/ipywidgets/index`. It
+    displays the output of all notebook cells.
 :doc:`panel/index`
     was developed on the basis of `Bokeh <https://docs.bokeh.org/en/latest/>`_
-    and `Param <https://github.com/holoviz/param>`_ and offers a toolkit
-    especially for creating apps and dashboards, which not only supports bokeh
-    plots, see also `Panel: A high-level app and dashboarding solution for the
-    PyData ecosystem
-    <https://medium.com/@philipp.jfr/panel-announcement-2107c2b15f52>`_.
-:doc:`voila/index`
-    was developed by `QuantStack <https://quantstack.net/>`_, see also `And
-    voilà! <https://blog.jupyter.org/and-voil%C3%A0-f6a2c08a4a93>`_.
-:doc:`jupyter-flex/index`
-    Jupyter extension that turns notebooks into dashboards.
+    and `Param <https://github.com/holoviz/param>`_ and offers a Python toolkit
+    specifically for creating apps and dashboards, but it does not only support
+    Bokeh plots. It allows multi-level and multi-page workflows.
 
 With this tabular overview you can quickly compare the activities and licenses
 of the various libraries.
 
 .. csv-table:: GitHub-Insights: Dashboards
     :header: "Name", "Stars", "Contributors", "Commit activity", "License"
 
-    "`Jupyter Dashboards Layout Extension <https://github.com/jupyter/dashboards>`_",".. image:: https://raster.shields.io/github/stars/jupyter/dashboards",".. image:: https://raster.shields.io/github/contributors/jupyter/dashboards",".. image:: https://raster.shields.io/github/commit-activity/y/jupyter/dashboards",".. image:: https://raster.shields.io/github/license/jupyter/dashboards"
-    "`Appmode <https://github.com/oschuett/appmode>`_",".. image:: https://raster.shields.io/github/stars/oschuett/appmode",".. image:: https://raster.shields.io/github/contributors/oschuett/appmode",".. image:: https://raster.shields.io/github/commit-activity/y/oschuett/appmode",".. image:: https://raster.shields.io/github/license/oschuett/appmode"
-    "`nbviewer <https://github.com/jupyter/nbviewer>`_",".. image:: https://raster.shields.io/github/stars/jupyter/nbviewer",".. image:: https://raster.shields.io/github/contributors/jupyter/nbviewer",".. image:: https://raster.shields.io/github/commit-activity/y/jupyter/nbviewer",".. image:: https://raster.shields.io/github/license/jupyter/nbviewer"
-    "`Panel <https://github.com/holoviz/panel>`_",".. image:: https://raster.shields.io/github/stars/holoviz/panel",".. image:: https://raster.shields.io/github/contributors/holoviz/panel",".. image:: https://raster.shields.io/github/commit-activity/y/holoviz/panel",".. image:: https://raster.shields.io/github/license/holoviz/panel"
     "`Voilà <https://github.com/voila-dashboards/voila>`_",".. image:: https://raster.shields.io/github/stars/voila-dashboards/voila",".. image:: https://raster.shields.io/github/contributors/voila-dashboards/voila",".. image:: https://raster.shields.io/github/commit-activity/y/voila-dashboards/voila",".. image:: https://raster.shields.io/github/license/voila-dashboards/voila"
-    "`jupyter-flex <https://github.com/danielfrg/jupyter-flex>`_",".. image:: https://raster.shields.io/github/stars/danielfrg/jupyter-flex",".. image:: https://raster.shields.io/github/contributors/danielfrg/jupyter-flex",".. image:: https://raster.shields.io/github/commit-activity/y/danielfrg/jupyter-flex",".. image:: https://raster.shields.io/github/license/danielfrg/jupyter-flex"
+    "`Panel <https://github.com/holoviz/panel>`_",".. image:: https://raster.shields.io/github/stars/holoviz/panel",".. image:: https://raster.shields.io/github/contributors/holoviz/panel",".. image:: https://raster.shields.io/github/commit-activity/y/holoviz/panel",".. image:: https://raster.shields.io/github/license/holoviz/panel"
 
 .. tip::
    cusy seminars:
@@ -51,9 +35,6 @@ of the various libraries.
     :hidden:
     :maxdepth: 0
 
-    jupyter-dashboards/index
-    appmode/index
-    ../nbviewer
-    panel/index
+    voila-panel
     voila/index
-    jupyter-flex/index
+    panel/index