Add keystore for EIPDev Queue certificate

What does this mr do?

Together with @sander we have created and added configurations to run Queue in its production profile setting be connecting to the EIPDev IdP.

Screenshots

before

after

Does this MR meet the acceptance criteria?

• I have added a changelog entry to reflect the significant changes I made.
• Tests were created to test the feature.
• I have updated the documentation accordingly.
• I adhere to the style guide.