Add initial Microsoft Teams support

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

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

@@ -0,0 +1,19 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ParticipantInfo undocumented
+type ParticipantInfo struct {
+	// Object is the base model of ParticipantInfo
+	Object
+	// Identity undocumented
+	Identity *IdentitySet `json:"identity,omitempty"`
+	// EndpointType undocumented
+	EndpointType *EndpointType `json:"endpointType,omitempty"`
+	// Region undocumented
+	Region *string `json:"region,omitempty"`
+	// LanguageID undocumented
+	LanguageID *string `json:"languageId,omitempty"`
+	// CountryCode undocumented
+	CountryCode *string `json:"countryCode,omitempty"`
+}