add phpstan

Author: bram-pkg

.github/workflows/phpstan.yml

@@ -0,0 +1,26 @@
+name: PHPStan
+
+on:
+  push:
+    paths:
+      - '**.php'
+      - 'phpstan.neon.dist'
+
+jobs:
+  phpstan:
+    name: phpstan
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.0'
+          coverage: none
+
+      - name: Install composer dependencies
+        uses: ramsey/composer-install@v1
+
+      - name: Run PHPStan
+        run: ./vendor/bin/phpstan --error-format=github

README.md

@@ -1,5 +1,11 @@
 # Very short description of the package
 
+[![Latest Version on Packagist](https://img.shields.io/packagist/v/blamebutton/laravel-changelog.svg?style=flat-square)](https://packagist.org/packages/blamebutton/laravel-changelog)
+[![GitHub Tests Action Status](https://img.shields.io/github/workflow/status/blamebutton/laravel-changelog/run-tests?label=tests)](https://github.com/blamebutton/laravel-changelog/actions?query=workflow%3Arun-tests+branch%3Amain)
+[![GitHub Code Style Action Status](https://img.shields.io/github/workflow/status/blamebutton/laravel-changelog/Check%20&%20fix%20styling?label=code%20style)](https://github.com/blamebutton/laravel-changelog/actions?query=workflow%3A"Check+%26+fix+styling"+branch%3Amain)
+[![Total Downloads](https://img.shields.io/packagist/dt/blamebutton/laravel-changelog.svg?style=flat-square)](https://packagist.org/packages/blamebutton/laravel-changelog)
+
+
 [![Latest Version on Packagist](https://img.shields.io/packagist/v/blamebutton/laravel-changelog.svg?style=flat-square)](https://packagist.org/packages/blamebutton/laravel-changelog)
 [![Total Downloads](https://img.shields.io/packagist/dt/blamebutton/laravel-changelog.svg?style=flat-square)](https://packagist.org/packages/blamebutton/laravel-changelog)
 ![GitHub Actions](https://github.com/blamebutton/laravel-changelog/actions/workflows/main.yml/badge.svg)