docs: update readme

Signed-off-by: dhmlau <dhmlau@ca.ibm.com>

README.md

@@ -1,7 +1,6 @@
 # strong-soap
 
 [![CI](https://github.com/loopbackio/strong-soap/actions/workflows/continuous-integration.yaml/badge.svg)](https://github.com/loopbackio/strong-soap/actions/workflows/continuous-integration.yaml)
-[![Build Status](https://app.travis-ci.com/loopbackio/strong-soap.svg?branch=master)](https://app.travis-ci.com/loopbackio/strong-soap)
 [![Coverage Status](https://coveralls.io/repos/github/loopbackio/strong-soap/badge.svg?branch=master)](https://coveralls.io/github/loopbackio/strong-soap?branch=master)
 
 This module provides a Node.js SOAP client for invoking web services and a mock-up SOAP server capability to create and test your web service. This module is based on `node-soap` module.
@@ -67,10 +66,7 @@ Features:
 
 ## Install
 
-Node.js version 10, 12, and 14 are officially supported. We dropped version 8
-support in 3.0.0.
-
-Install with [npm](http://github.com/isaacs/npm):
+Install with [npm](https://github.com/npm/cli):
 
 ```sh
 npm install strong-soap