Adapt docs and CHANGELOG

CHANGELOG.rst

@@ -20,6 +20,7 @@ Feature
 - Added logging whenever a sql statement is executed.
 - Update CI such that the tests are run on Python 3.9 and 3.10, additionally removed the paper draft action. 
 - Added logging when initializing database to contain resultfields and logfields.
+- Adapt ssh tunnel usage to be more flexible and user friendly.
 
 Fix
 ---

docs/source/usage/database_credential_file.rst

@@ -19,7 +19,7 @@ Below is an example of a database credential file, that connects to a server wit
           server: example.mysqlserver.com
 
 However, for security reasons, databases might only be accessible from a specific IP address. In these cases, one can use an ssh jumphost. This means that ``PyExperimenter`` will first connect to the ssh server
-that has access to the database and then connect to the database server from there. This is done by adding an additional ``Ssh`` section to the database credential file.
+that has access to the database and then connect to the database server from there. This is done by adding an additional ``Ssh`` section to the database credential file, and can be activated either by a PyExperimenter keyword argument or in the :ref:`experimenter configuration file <_experiment_configuration_file>`.
 The following example shows how to connect to a database server using an SSH server with the address ``ssh_hostname`` and the port ``optional_ssh_port``.
 
 .. code-block:: yaml

docs/source/usage/experiment_configuration_file.rst

@@ -14,6 +14,7 @@ The experiment configuration file is primarily used to define the database backe
       Database:
         provider: sqlite
         database: py_experimenter
+        use_ssh_tunnel: False             (Optional Parameter; Defautls to False)
         table: 
           name: example_general_usage
           keyfields: