Add initial Microsoft Teams support

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

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

@@ -0,0 +1,11 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// EdgeHomeButtonOpensCustomURL undocumented
+type EdgeHomeButtonOpensCustomURL struct {
+	// EdgeHomeButtonConfiguration is the base model of EdgeHomeButtonOpensCustomURL
+	EdgeHomeButtonConfiguration
+	// HomeButtonCustomURL The specific URL to load.
+	HomeButtonCustomURL *string `json:"homeButtonCustomURL,omitempty"`
+}