Set alpha version in getting-started to avoid confusion.

docs/site/versioned_examples/version-23.12.0/install_python_clients_pip.sh

 #!/usr/bin/env bash
 
-pip3 install --user --trusted-host nims.desy.de --find-links=http://nims.desy.de/extra/asapo/linux_wheels asapo_producer==23.12.0
-pip3 install --user --trusted-host nims.desy.de --find-links=http://nims.desy.de/extra/asapo/linux_wheels asapo_consumer==23.12.0
+pip3 install --user --trusted-host nims.desy.de --find-links=http://nims.desy.de/extra/asapo/linux_wheels asapo_producer==23.12.0-alpha
+pip3 install --user --trusted-host nims.desy.de --find-links=http://nims.desy.de/extra/asapo/linux_wheels asapo_consumer==23.12.0-alpha
 # you might need to update pip if the above commands error: pip3 install --upgrade pip
 
 # if that does not work (abi incompatibility, etc) you may try to install source packages

docs/site/versioned_examples/version-23.12.0/start_asapo_maxwell.sh

 docker run -p 8400-8431:8400-8431 -p 8086:8086 -p 27017:27017 \
- --hostname $HOSTNAME --name asapo gitlab.desy.de:5555/asapo/asapo/asapo-standalone:23.12.0
+ --hostname $HOSTNAME --name asapo gitlab.desy.de:5555/asapo/asapo/asapo-standalone:23.12.0-alpha
\ No newline at end of file

docs/site/versioned_examples/version-23.12.0/start_asapo_simple.sh

-docker run --name asapo --network host gitlab.desy.de:5555/asapo/asapo/asapo-standalone-dev:23.12.0
+docker run --name asapo --network host gitlab.desy.de:5555/asapo/asapo/asapo-standalone-dev:23.12.0-alpha
\ No newline at end of file