📝 Add ‘What’s new’ section

Author: veit

CHANGELOG.rst

@@ -0,0 +1,36 @@
+Changelog
+=========
+
+The versions follow `Semantic Versioning <https://semver.org/lang/de/>`_:
+``MAJOR.MINOR.PATCH``.
+
+``MAJOR``
+     is increased when incompatible changes are published.
+``MINOR``
+    is increased when new compatible functionalities are released.
+``PATCH``
+    is increased if the changes include only compatible bug fixes.
+
+.. _changelog
+
+1.0.0
+-----
+
+* 🔧 Moving the Data Science content into Python4DataScience
+
+  * /first-steps/index.html -> /notebook/index.html
+  * /first-steps/create-notebook.html -> /notebook/create-notebook.html
+  * /first-steps/install.html -> /notebook/install.html
+  * /workspace/jupyter/$rest -> /
+  * /workspace/first-steps/$rest -> /notebook/
+  * /workspace/ipython/$rest -> Python4DataScience:/workspace/ipython/
+  * /workspace/numpy/$rest -> Python4DataScience:/workspace/numpy/
+  * /workspace/pandas/$rest -> Python4DataScience:/workspace/pandas/
+  * /data-processing/$rest -> Python4DataScience:/data-processing/
+  * /clean-prep/$rest -> Python4DataScience:/clean-prep/
+  * /parameterise/$rest -> /notebook/parameterise/
+  * /performance/ipyparallel//$rest -> /hub/ipyparallel/
+  * /performance/ -> Python4DataScience:/performance/
+  * /productive/ -> Python4DataScience:/productive/
+  * /testing/$rest -> /notebook/testing/
+  * /web/dashboards/$rest -> /dashboards/

docs/index.rst

@@ -146,6 +146,7 @@ und neue Verwendungsmöglichkeiten eröffnen.
     :maxdepth: 0
 
     intro
+    whatsnew
     notebook/index
     jupyterlab/index
     hub/index

docs/whatsnew.rst

@@ -0,0 +1,5 @@
+Was ist neu?
+============
+
+.. include:: ../CHANGELOG.rst
+   :start-after: changelog