Add badges (#34)

Add tests and code coverage badges to readme.

You can see how it will look here:
https://github.com/8ctopus/byte-buffer

Author: aawnu

.github/workflows/ci.yml

@@ -78,3 +78,19 @@ jobs:
 
       - name: "Coverage"
         run: echo "$(cat ./.phpunit/coverage.txt)"
+
+      - name: Make code coverage badge
+        uses: timkrase/[email protected]
+        with:
+          coverage_badge_path: .github/coverage.svg
+          # push badge later on
+          push_badge: false
+
+      - name: Git push badges to image-data branch
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          publish_dir: .github
+          publish_branch: image-data
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          user_name: 'github-actions[bot]'
+          user_email: 'github-actions[bot]@users.noreply.github.com'

README.md

@@ -3,6 +3,8 @@ PHP Wrapper for Google Analytics 4 with Server Side Tracking
 [![PHP Version](https://img.shields.io/packagist/php-v/alexwestergaard/php-ga4?color=blue&style=for-the-badge)](https://www.php.net/releases/)
 [![Release Size](https://img.shields.io/github/languages/code-size/alexwestergaard/php-ga4?color=blue&style=for-the-badge)](https://github.com/AlexWestergaard/php-ga4/releases/latest)
 [![Issues](https://img.shields.io/github/issues-raw/alexwestergaard/php-ga4?color=red&style=for-the-badge)](https://github.com/AlexWestergaard/php-ga4/issues)
+[![Tests](https://github.com/AlexWestergaard/php-ga4/actions/workflows/ci.yml/badge.svg)](https://github.com/AlexWestergaard/php-ga4/actions/workflows/ci.yml)
+![Code Coverage Badge](https://raw.githubusercontent.com/AlexWestergaard/php-ga4/image-data/coverage.svg)
 
 ```sh
 composer require alexwestergaard/php-ga4

phpunit.xml

@@ -21,6 +21,7 @@
         <report>
             <text outputFile="./.phpunit/coverage.txt" showUncoveredFiles="true"
                 showOnlySummary="false" />
+            <clover outputFile="clover.xml"/>
         </report>
     </coverage>
     <php>