feat: IdentityMetadata deleted due to decomposition of Relationship

_docs_integrate/terminate-relationships.md

@@ -65,6 +65,7 @@ Decomposing a [Relationship]({% link _docs_integrate/data-model-overview.md %}#r
 - In any case, all RelationshipTemplates of the peer. During a Relationship, several RelationshipTemplates may have been exchanged, as [Requests can be sent via RelationshipTemplates]({% link _docs_integrate/requests-via-relationshiptemplates.md %}#create-the-relationshiptemplate) both when establishing new Relationships and for existing Relationships.
 - Both the sent and the received shared [Attributes]({% link _docs_integrate/data-model-overview.md %}#attributes), [Notifications]({% link _docs_integrate/data-model-overview.md %}#notification) and [Requests]({% link _docs_integrate/data-model-overview.md %}#request).
 - Sent and received [Messages]({% link _docs_integrate/data-model-overview.md %}#message) with one exception: If a Message has been sent to multiple `recipients`, the Message is not deleted but the peer's address is replaced with a pseudonym. The pseudonym is the same for every peer.
+- The [IdentityMetadata]({% link _docs_integrate/data-model-overview.md %}#identitymetadata) that have the peer as their `reference`.
 - Furthermore, the corresponding [Tokens]({% link _docs_integrate/data-model-overview.md %}#token) and [AttributeListeners]({% link _docs_integrate/data-model-overview.md %}#localattributelistener).
 
 The use case is [Decompose Relationship]({% link _docs_use-cases/use-case-transport-decompose-relationship.md %}), which takes the `relationshipId` as input. For the peer, the Relationship is not deleted, but its `status` now is `"DeletionProposed"`.