Add initial Microsoft Teams support

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

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

@@ -0,0 +1,11 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// DeviceManagementSettingRegexConstraint undocumented
+type DeviceManagementSettingRegexConstraint struct {
+	// DeviceManagementConstraint is the base model of DeviceManagementSettingRegexConstraint
+	DeviceManagementConstraint
+	// Regex The RegEx pattern to match against
+	Regex *string `json:"regex,omitempty"`
+}