Add initial Microsoft Teams support

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

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

@@ -0,0 +1,41 @@
+// Code generated by msgraph-generate.go DO NOT EDIT.
+
+package msgraph
+
+// ConnectionDirection undocumented
+type ConnectionDirection int
+
+const (
+	// ConnectionDirectionVUnknown undocumented
+	ConnectionDirectionVUnknown ConnectionDirection = 0
+	// ConnectionDirectionVInbound undocumented
+	ConnectionDirectionVInbound ConnectionDirection = 1
+	// ConnectionDirectionVOutbound undocumented
+	ConnectionDirectionVOutbound ConnectionDirection = 2
+	// ConnectionDirectionVUnknownFutureValue undocumented
+	ConnectionDirectionVUnknownFutureValue ConnectionDirection = 127
+)
+
+// ConnectionDirectionPUnknown returns a pointer to ConnectionDirectionVUnknown
+func ConnectionDirectionPUnknown() *ConnectionDirection {
+	v := ConnectionDirectionVUnknown
+	return &v
+}
+
+// ConnectionDirectionPInbound returns a pointer to ConnectionDirectionVInbound
+func ConnectionDirectionPInbound() *ConnectionDirection {
+	v := ConnectionDirectionVInbound
+	return &v
+}
+
+// ConnectionDirectionPOutbound returns a pointer to ConnectionDirectionVOutbound
+func ConnectionDirectionPOutbound() *ConnectionDirection {
+	v := ConnectionDirectionVOutbound
+	return &v
+}
+
+// ConnectionDirectionPUnknownFutureValue returns a pointer to ConnectionDirectionVUnknownFutureValue
+func ConnectionDirectionPUnknownFutureValue() *ConnectionDirection {
+	v := ConnectionDirectionVUnknownFutureValue
+	return &v
+}