Add initial Microsoft Teams support

Documentation on https://github.com/42wim/matterbridge/wiki/MS-Teams-setup

vendor/github.com/yaegashi/msgraph.go/beta/BaseItemVersionModel.go

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// BaseItemVersion undocumented
+type BaseItemVersion struct {
+	// Entity is the base model of BaseItemVersion
+	Entity
+	// LastModifiedBy undocumented
+	LastModifiedBy *IdentitySet `json:"lastModifiedBy,omitempty"`
+	// LastModifiedDateTime undocumented
+	LastModifiedDateTime *time.Time `json:"lastModifiedDateTime,omitempty"`
+	// Publication undocumented
+	Publication *PublicationFacet `json:"publication,omitempty"`
+}