Migrate from Travis to GitHub Actions

.gitattributes

@@ -9,7 +9,7 @@
 *.svg   text
 
 /.gitattributes   export-ignore
+/.github          export-ignore
 /.gitignore       export-ignore
-/.travis.yml      export-ignore
 /phpunit.xml      export-ignore
 /tests            export-ignore

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+name: "Run unit tests"
+
+on:
+  - push
+  - pull_request
+
+env:
+  COMPOSER_MEMORY_LIMIT: -1
+
+jobs:
+  test:
+    name: "Build"
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 12
+      matrix:
+        php: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup PHP ${{ matrix.php }}
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: exif,json,mbstring,dom
+
+      - name: Install composer dependencies
+        uses: ramsey/composer-install@v2
+
+      - name: Run unit tests
+        run: ./vendor/bin/phpunit

README.md

@@ -1,7 +1,6 @@
 # SVG file parsing / rendering library
 
-[![Build Status](https://travis-ci.org/PhenX/php-svg-lib.svg?branch=master)](https://travis-ci.org/PhenX/php-svg-lib)
-[![Coverage Status](https://coveralls.io/repos/PhenX/php-svg-lib/badge.svg)](https://coveralls.io/r/PhenX/php-svg-lib)
+[![Build Status](https://github.com/phenx/php-svg-lib/workflows/test/badge.svg)](https://github.com/phenx/php-svg-lib/actions)
 
 
 [![Latest Stable Version](https://poser.pugx.org/phenx/php-svg-lib/v/stable)](https://packagist.org/packages/phenx/php-svg-lib) 
@@ -11,4 +10,4 @@
 
 The main purpose of this lib is to rasterize SVG to a surface which can be an image or a PDF for example, through a `\Svg\Surface` PHP interface.
 
-This project was initialized by the need to render SVG documents inside PDF files for the [DomPdf](http://dompdf.github.io) project.
+This project was initialized by the need to render SVG documents inside PDF files for the [DomPdf](http://dompdf.github.io) project.