Add initial Microsoft Teams support

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

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

@@ -0,0 +1,13 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ConditionalAccessRoot undocumented
+type ConditionalAccessRoot struct {
+	// Entity is the base model of ConditionalAccessRoot
+	Entity
+	// Policies undocumented
+	Policies []ConditionalAccessPolicy `json:"policies,omitempty"`
+	// NamedLocations undocumented
+	NamedLocations []NamedLocation `json:"namedLocations,omitempty"`
+}