PR: add .github/workflows/ci.yml for basic Node.js testing #709 (#718)

* add .github/workflows/ci.yml for basic Node.js teting #709

* add GitHub Actions Badge + Coveralls & Hits #709

* Fix logo - badge spacing README.md #709

* Fix markdown fail in header of README.md #709

* Final badge fix in README.md #709

* Update GitHub Actions badge path and branch to "master" README.md #709

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: Node.js CI
+
+on:
+    push:
+      branches: [ master ]
+    pull_request:
+      branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node-version: [20.x]
+        os: [ubuntu-latest, macos-latest]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm i
+    - run: npm test

README.md

@@ -1,6 +1,12 @@
-<h3 align="center">
-  <img align="center" src="assets/logo.png" alt="Purify logo" width="112" />
-</h3
+<div align="center">
+  <img src="assets/logo.png" alt="Purify logo" /> <br />
+
+  [![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/gigobyte/purify/ci.yml?label=build&style=flat-square&branch=master)](https://github.com/gigobyte/purify/actions/workflows/ci.yml)
+  ![Coveralls](https://img.shields.io/coverallsCoverage/github/gigobyte/purify?style=flat-square&color=brightGreen)
+  [![TypeScript Version](http://img.shields.io/badge/built_with-TypeScript-brightgreen.svg?style=flat-square "Latest Typescript")](https://www.typescriptlang.org/download/)
+  [![HitCount](https://hits.dwyl.com/gigobyte/purify.svg?style=flat-square)](http://hits.dwyl.com/gigobyte/purify)
+
+</div>
 
 # What is purify?