update README with badges and update linting workflow

Author: Defirence

.github/workflows/lint-with-jshint.yml

@@ -26,6 +26,6 @@ jobs:
               working-directory: node-express-server
               run: yarn install
 
-            - name: Run Mocha tests
+            - name: Run JSHint lint
               working-directory: node-express-server
               run: npx jshint webserver.js

node-express-server/README.md

@@ -1,4 +1,6 @@
 # node-express-server
 A simple node.js webserver with basic API functionality, written in pure JavaScript.
 
-[![Mocha Tests](https://github.com/Defirence/javascript/actions/workflows/run-mocha-tests.yml/badge.svg)](https://github.com/Defirence/javascript/actions/workflows/run-mocha-tests.yml)
+[![Mocha Tests](https://github.com/Defirence/javascript/actions/workflows/run-mocha-tests.yml/badge.svg)](https://github.com/Defirence/javascript/actions/workflows/run-mocha-tests.yml)
+
+[![Lint JSHint](https://github.com/Defirence/javascript/actions/workflows/lint-with-jshint.yml/badge.svg)](https://github.com/Defirence/javascript/actions/workflows/lint-with-jshint.yml)