Add Phpstan workflow

.gitattributes

@@ -9,3 +9,4 @@ CHANGELOG.md     export-ignore
 CONTRIBUTING.md  export-ignore
 phpunit.xml      export-ignore
 README.md        export-ignore
+phpstan*         export-ignore

.github/workflows/phpstan.yml

@@ -0,0 +1,31 @@
+name: PHPStan
+
+on:
+    push:
+        paths:
+            - '**.php'
+            - 'phpstan.neon.dist'
+
+jobs:
+    phpstan:
+        name: phpstan
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: 8.3
+                  coverage: none
+
+            - name: Install composer dependencies
+              uses: ramsey/composer-install@v3
+
+            - name: Install larastan
+              run: |
+                  composer require "nunomaduro/larastan" --no-interaction --no-update
+                  composer update --prefer-dist --no-interaction
+
+            - name: Run PHPStan
+              run: ./vendor/bin/phpstan --error-format=github

.gitignore

@@ -4,3 +4,4 @@ composer.lock
 .vscode
 .phpunit.cache
 .phpunit.result.cache
+/build/phpstan

phpstan-baseline.neon

@@ -0,0 +1,2 @@
+parameters:
+	ignoreErrors:

phpstan.neon.dist

@@ -0,0 +1,16 @@
+includes:
+    - phpstan-baseline.neon
+    - ./vendor/nunomaduro/larastan/extension.neon
+
+parameters:
+    level: 8
+    paths:
+        - src/
+        - config/
+        - database/migrations/audits.stub
+        - stubs/
+    tmpDir: build/phpstan
+    ignoreErrors:
+        -
+            identifier: larastan.noEnvCallsOutsideOfConfig
+            path: config/audit.php