added a basic setup for docker based tests

.gitmodules

test-setup/data_model/generate_test_data.py

test-setup/data_model/model.yml

test-setup/data_model/sync.py

test-setup/test-profile/custom/caosdb-server/.add_dir_to_git

...profile/custom/caosdb-server/scripting/home/.pycaosdb.ini

...test-profile/custom/other/restore/caosroot.example.tar.gz

...-setup/test-profile/custom/other/restore/restore.dump.sql

test-setup/test-profile/paths/extroot/README.md

test-setup/test-profile/profile.yml

test-setup/test-profile/theme-linkahead