Add build workflow, deprecate travis

.github/workflows/build.yml

@@ -0,0 +1,32 @@
+name: build
+
+on:
+  push:
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  test:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        php: [ '7.3', '7.4' ]
+
+    name: PHP ${{ matrix.python }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup PHP/composer
+        uses: php-actions/composer@v6
+        with:
+          php_version: ${{ matrix.php }}
+          version: 2
+      - name: Install dependencies
+        run: composer install --prefer-dist --dev
+      - name: Run tests
+      - run: ./vendor/phpunit/phpunit/phpunit --stderr

README.md

@@ -4,9 +4,8 @@ PHP bindings for Upwork API (OAuth1)
 [![License](https://img.shields.io/github/license/upwork/php-upwork)](http://www.apache.org/licenses/LICENSE-2.0.html)
 [![Latest Stable Version](https://poser.pugx.org/upwork/php-upwork/v/stable.svg)](https://github.com/upwork/php-upwork/releases)
 [![Package version](http://img.shields.io/packagist/v/upwork/php-upwork.svg)](https://packagist.org/packages/upwork/php-upwork)
-[![Build status](https://travis-ci.org/upwork/php-upwork.svg)](http://travis-ci.org/upwork/php-upwork)
+[![Build status](https://github.com/upwork/php-upwork/workflows/build/badge.svg)](https://github.com/upwork/php-upwork2/actions)
 [![Monthly downloads](http://img.shields.io/packagist/dm/upwork/php-upwork.svg)](https://packagist.org/packages/upwork/php-upwork)
-[![SensioLabsInsight](https://insight.sensiolabs.com/projects/5e7c00ac-ac19-4b77-92ab-e8888a60028e/mini.png)](https://insight.sensiolabs.com/projects/5e7c00ac-ac19-4b77-92ab-e8888a60028e)
 
 # Introduction
 This project provides a set of resources of Upwork API from http://developers.upwork.com