Add initial Microsoft Teams support

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

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

@@ -0,0 +1,27 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+import "time"
+
+// UserActivationCounts undocumented
+type UserActivationCounts struct {
+	// Object is the base model of UserActivationCounts
+	Object
+	// ProductType undocumented
+	ProductType *string `json:"productType,omitempty"`
+	// LastActivatedDate undocumented
+	LastActivatedDate *time.Time `json:"lastActivatedDate,omitempty"`
+	// Windows undocumented
+	Windows *int `json:"windows,omitempty"`
+	// Mac undocumented
+	Mac *int `json:"mac,omitempty"`
+	// Windows10Mobile undocumented
+	Windows10Mobile *int `json:"windows10Mobile,omitempty"`
+	// IOS undocumented
+	IOS *int `json:"ios,omitempty"`
+	// Android undocumented
+	Android *int `json:"android,omitempty"`
+	// ActivatedOnSharedComputer undocumented
+	ActivatedOnSharedComputer *bool `json:"activatedOnSharedComputer,omitempty"`
+}