Add initial Microsoft Teams support

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

vendor/github.com/yaegashi/msgraph.go/beta/WindowsPhone81AppXBundleModel.go

@@ -0,0 +1,11 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// WindowsPhone81AppXBundle Contains properties and inherited properties for Windows Phone 8.1 AppX Bundle Line Of Business apps.
+type WindowsPhone81AppXBundle struct {
+	// WindowsPhone81AppX is the base model of WindowsPhone81AppXBundle
+	WindowsPhone81AppX
+	// AppXPackageInformationList The list of AppX Package Information.
+	AppXPackageInformationList []WindowsPackageInformation `json:"appXPackageInformationList,omitempty"`
+}