Add initial Microsoft Teams support

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

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

@@ -0,0 +1,21 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ApprovalWorkflowProvider undocumented
+type ApprovalWorkflowProvider struct {
+	// Entity is the base model of ApprovalWorkflowProvider
+	Entity
+	// DisplayName undocumented
+	DisplayName *string `json:"displayName,omitempty"`
+	// BusinessFlows undocumented
+	BusinessFlows []BusinessFlow `json:"businessFlows,omitempty"`
+	// PolicyTemplates undocumented
+	PolicyTemplates []GovernancePolicyTemplate `json:"policyTemplates,omitempty"`
+	// Requests undocumented
+	Requests []RequestObject `json:"requests,omitempty"`
+	// RequestsAwaitingMyDecision undocumented
+	RequestsAwaitingMyDecision []RequestObject `json:"requestsAwaitingMyDecision,omitempty"`
+	// BusinessFlowsWithRequestsAwaitingMyDecision undocumented
+	BusinessFlowsWithRequestsAwaitingMyDecision []BusinessFlow `json:"businessFlowsWithRequestsAwaitingMyDecision,omitempty"`
+}