Add initial Microsoft Teams support

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

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

@@ -0,0 +1,13 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ManagedEBookAssignment Contains properties used to assign a eBook to a group.
+type ManagedEBookAssignment struct {
+	// Entity is the base model of ManagedEBookAssignment
+	Entity
+	// Target The assignment target for eBook.
+	Target *DeviceAndAppManagementAssignmentTarget `json:"target,omitempty"`
+	// InstallIntent The install intent for eBook.
+	InstallIntent *InstallIntent `json:"installIntent,omitempty"`
+}