Added Switch for Authorization in Forc

[milo39]

Try to fulfill the following points before the Pull Request is merged:

• Give a meaningfull description for the PR
• The PR is reviewed by one of the team members.
• If a linting PR exists, it must be merged before this PR is allowed to be merged.
• It must be checked if anything in the Readme must be adjusted (development-, production-, setup).
• If the requirements.txt have changed, check if the patches still work
• It must be checked if any section in the wiki (https://simplevm.denbi.de/wiki/) should be adjusted.
• If the PR is merged in the master then a release should be be made.
• If the new code is readable, if not it should be well commented

For any changes of the code please consider:

• Cover the changes with corresponding unit tests

For releases only:

• If the review of this PR is approved and the PR is followed by a release then the .env file
  in the cloud-portal repo should also be updated.
• If you are making a release then please sum up the changes since the last release on the release page using the clog tool with clog -F

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
simple_vm_client
VirtualMachineHandler.py	213	20	20	91%
__init__.py	1	0	100%
simple_vm_client/benchmark
__init__.py	0	0	100%
test_service.py	52	36	36	31%
simple_vm_client/bibigrid_connector
__init__.py	0	0	100%
bibigrid_connector.py	126	36	36	71%
test_bibigrid_connector.py	118	0	100%
simple_vm_client/forc_connector
__init__.py	0	0	100%
forc_connector.py	325	57	57	82%
simple_vm_client/forc_connector/playbook
__init__.py	0	0	100%
playbook.py	189	0	100%
test_playbook.py	381	0	100%
simple_vm_client/forc_connector/template
__init__.py	0	0	100%
template.py	227	14	14	94%
simple_vm_client/metadata_connector
metadata_connector.py	112	26	26	77%
test_metadata_connector.py	68	0	100%
simple_vm_client/openstack_connector
__init__.py	0	0	100%
openstack_connector.py	977	153	153	84%
test_openstack_connector.py	1248	2	2	99%
simple_vm_client/tests
test_virtualmachinehandler.py	315	0	100%
simple_vm_client/util
__init__.py	0	0	100%
state_enums.py	70	0	100%
test_thrift_converter.py	170	0	100%
thrift_converter.py	80	3	3	96%
TOTAL	4672	347	93%

Tests	Skipped	Failures	Errors	Time
312	0 💤	1 ❌	0 🔥	3.991s ⏱️