Add initial Microsoft Teams support

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

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

@@ -0,0 +1,29 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// TeamsDeviceUsageUserCounts undocumented
+type TeamsDeviceUsageUserCounts struct {
+	// Entity is the base model of TeamsDeviceUsageUserCounts
+	Entity
+	// ReportRefreshDate undocumented
+	ReportRefreshDate *time.Time `json:"reportRefreshDate,omitempty"`
+	// Web undocumented
+	Web *int `json:"web,omitempty"`
+	// WindowsPhone undocumented
+	WindowsPhone *int `json:"windowsPhone,omitempty"`
+	// AndroidPhone undocumented
+	AndroidPhone *int `json:"androidPhone,omitempty"`
+	// IOS undocumented
+	IOS *int `json:"ios,omitempty"`
+	// Mac undocumented
+	Mac *int `json:"mac,omitempty"`
+	// Windows undocumented
+	Windows *int `json:"windows,omitempty"`
+	// ReportDate undocumented
+	ReportDate *time.Time `json:"reportDate,omitempty"`
+	// ReportPeriod undocumented
+	ReportPeriod *string `json:"reportPeriod,omitempty"`
+}