Add initial Microsoft Teams support

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

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

@@ -0,0 +1,27 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// Command undocumented
+type Command struct {
+	// Entity is the base model of Command
+	Entity
+	// Status undocumented
+	Status *string `json:"Status,omitempty"`
+	// Type undocumented
+	Type *string `json:"Type,omitempty"`
+	// AppServiceName undocumented
+	AppServiceName *string `json:"AppServiceName,omitempty"`
+	// PackageFamilyName undocumented
+	PackageFamilyName *string `json:"PackageFamilyName,omitempty"`
+	// Error undocumented
+	Error *string `json:"Error,omitempty"`
+	// Payload undocumented
+	Payload *PayloadRequestObject `json:"Payload,omitempty"`
+	// PermissionTicket undocumented
+	PermissionTicket *string `json:"PermissionTicket,omitempty"`
+	// PostBackURI undocumented
+	PostBackURI *string `json:"PostBackUri,omitempty"`
+	// Responsepayload undocumented
+	Responsepayload *PayloadResponse `json:"responsepayload,omitempty"`
+}