Mtls

[ippocratis]

• I have searched for existing issues that may be the same as or related to mine.

Will enhance security.

Usecase: serving webdav behind mtls. App must be able to handle the client t certificate inapp or pick the installed cert from the android cert store.

2nd usecase: support nextcloud accound. The nextcloud android app already support mtls so orgzly should be able to pick the nextcloud account from the NC android app like the nextcloud notes app do.

Thanks