* Add mls secrets to galley chart and settings
* Store MLS private keys in a map
* Document mlsPrivateKeyPaths setting
* Add functions to load private keys in x509 format
* Use x509 private keys
* Do not use a map to store key pairs
* Expose MLS public keys in an endpoint
* Add CHANGELOG entries
* Add testing private key to CI config
* Add mls secret to galley integration
* Add purpose to MLS private keys
* Cannot use paths as secret keys in helm charts
* Add purpose to mlsPrivateKeyPaths in galley chart
* Fix yaml formatting of test private key
* Add purpose to docs
Co-authored-by: Stefan Matting <[email protected]>
