Create nodejs.yml

[Shivansh9000]

This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node

For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions

name: Node.js CI

on:
push:
branches: [ master ]
pull_request:
branches: [ master ]

jobs:
build:

runs-on: ubuntu-latest

strategy:
  matrix:
    node-version: [10.x, 12.x]

steps:
- uses: actions/checkout@v2
- name: Use Node.js ${{ matrix.node-version }}
  uses: actions/setup-node@v1
  with:
    node-version: ${{ matrix.node-version }}
- run: npm ci
- run: npm run build --if-present
- run: npm test
  env:
    CI: true