Add initial Microsoft Teams support

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

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

@@ -0,0 +1,17 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ContentClassification undocumented
+type ContentClassification struct {
+	// Object is the base model of ContentClassification
+	Object
+	// SensitiveTypeID undocumented
+	SensitiveTypeID *string `json:"sensitiveTypeId,omitempty"`
+	// UniqueCount undocumented
+	UniqueCount *int `json:"uniqueCount,omitempty"`
+	// Confidence undocumented
+	Confidence *int `json:"confidence,omitempty"`
+	// Matches undocumented
+	Matches []MatchLocation `json:"matches,omitempty"`
+}