Add initial Microsoft Teams support

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

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

@@ -0,0 +1,11 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ClassificationError undocumented
+type ClassificationError struct {
+	// ClassifcationErrorBase is the base model of ClassificationError
+	ClassifcationErrorBase
+	// Details undocumented
+	Details []ClassifcationErrorBase `json:"details,omitempty"`
+}