[Draft]192 feature request connect to running experiment

[LukasFehring]

Description

Provide the changes mentioned in the issue

Motivation and Context

Mentioned in the issuie

Changes

Mentioned in the issue

Type Of Changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

How has This Been Tested?

• Database provider: MySQL (does not work for sqlite, since sqlite does not support multiple accesses to the same db)
• Python version: Any
• Operating System: Any

Does this Close/Impact Existing Issues?

• Issue #X

What is Missing?

Checklist

• [ ] My change is based on the latest stage of the develop branch.
• [x] My change required a change of the documentation, which has been done.
• [x] I checked that the documentation can be build, visualizes everything as expected, and does not contain any warnings.
• [x] I have added/adapted tests to cover my changes.
• [x] The tests can be executed successfully.
• [x] The notebooks can be executed successfully.
• [x] The notebooks can be executed with mysql as provider.
• [x] I have added a description of the changes to CHANGELOG.rst.

[LukasFehring]

Rebased ontop of branch, nto develop, for easier implementation, and direct usability in my current project