DOC: add doc on serverside

Please test examples.

src/doc/tutorials/serverside.rst

 
 Server Side Scripting
 =====================
-Some regular needed scripts, e.g. for computing a standardized analysis, might
-be placed by the administrator on the same machine as the CaosDB server such
-that they can be executed there, on the server side.
 
-The execution of those scripts can also be started using the Python client.
+The administrator may store regularly needed scripts, e.g. for computing a standardized analysis, on
+the same machine as the CaosDB server, "on the server side", where they can be run directly by the
+server.
+
+The execution of those scripts can be initiated using the Python client, or the web interface.
 
 Call a Script
 ~~~~~~~~~~~~~
 
-Of course, you need to have access to the server and sufficient permissions to
-run the script that you want to run. Execution is then fairly simple:
+If you have access to the server and sufficient permissions to run the script, execution is fairly
+simple:
 
 .. code:: python
 
@@ -20,34 +21,37 @@ run the script that you want to run. Execution is then fairly simple:
     print(response.stderr,response.stdout)
 
 
-This triggers the execution of the script ``scriptname.py``. The output of the
+This makes the server run the script ``scriptname.py``. The output of the
 script (``stderr`` and ``stdout``) is returned within an response object.
 
 
 If the script requires additional arguments, those can be provided after the 
-scriptname. 
+script's name.
 
-Note, that by default the script runs with your account. It has your
+Note that by default the script runs with your CaosDB account. It has your
 permissions and changes are logged as if they were done by you directly.
 
 
 Testing it
 ~~~~~~~~~~
 
-You can try this out using for example the ``diagnositics.py`` script (it is
-also available on https://demo.indiscale.com). The script returns some
-information in JSON format. You can do for example the following
+You can try this out using for example the ``diagnostics.py`` script (it is also available on
+https://demo.indiscale.com). The script returns information about the server in JSON format. You can
+do for example the following:
 
 .. code:: python
 
     import json
     from caosdb.utils.server_side_scripting import run_server_side_script
     response = run_server_side_script('administration/diagnostics.py')
+    print("JSON content:")
     print(json.loads(response.stdout))
+    print("stderr:")
     print(response.stderr)
 
 
 Further Information
 ~~~~~~~~~~~~~~~~~~~
 
-Additionally, you might have a look at https://docs.indiscale.com/caosdb-server/specification/Server-side-scripting.html
+Additionally, you might want to have a look at
+https://docs.indiscale.com/caosdb-server/specification/Server-side-scripting.html