feat: Add OCM discovery and requests events.

See nextcloud/server#57853

Signed-off-by: Antoon P. <antoon.prins@surf.nl>

Author: redblom

developer_manual/release_notes/previous/upgrade_to_33.rst

@@ -180,7 +180,9 @@ The API related to these tables are now using a string instead of a int. See Cha
 Added Events
 ^^^^^^^^^^^^
 
-- TBD
+- New ``OCP\OCM\Events\LocalOCMDiscoveryEvent`` event emitted before the API returns a local OCM provider.
+- New ``OCP\OCM\Events\OCMEndpointRequestEvent`` event emitted on incoming OCM endpoint requests.
+
 
 Added APIs
 ^^^^^^^^^^
@@ -207,6 +209,9 @@ Added APIs
 
 - Support for delegation-only section and settings have been added to the info.xml schema for applications. Only useful if your application needs to enable delegation of rights which are not related to a setting page. Known examples of that is user management and webhook registration. See :ref:`app metadata<app metadata>` for details.
 
+- New ``OCP\OCM\Events\LocalOCMDiscoveryEvent`` event. Catch this to register additional resources and/or capabilities at the local OCM provider before the provider is returned by the API.
+- New ``OCP\OCM\Events\OCMEndpointRequestEvent`` event. Catch this event in order to manage the OCM request/capability.
+
 Changed APIs
 ^^^^^^^^^^^^