Introduce GitHub workflows

.github/workflows/php_84.yml

@@ -0,0 +1,39 @@
+name: PHP 8.4
+on: push
+
+jobs:
+  build:
+    name: Static analysis, unit tests, and linting
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup PHP 8.4
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+          tools: composer
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v5
+        with:
+          path: ./vendor
+          key: composer-${{ runner.os }}-8.4
+
+      - name: Install dependencies
+        run: |
+          composer install
+
+      - name: Run PHPStan
+        run: |
+          ./vendor/bin/phpstan
+
+      - name: PHP Code Sniffer
+        run: |
+          ./vendor/bin/phpcs
+
+      - name: Run PHPUnit
+        run: |
+          ./vendor/bin/phpunit

.github/workflows/php_85.yml

@@ -0,0 +1,39 @@
+name: PHP 8.5
+on: push
+
+jobs:
+  build:
+    name: Static analysis, unit tests, and linting
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup PHP 8.5
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.5'
+          tools: composer
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v5
+        with:
+          path: ./vendor
+          key: composer-${{ runner.os }}-8.5
+
+      - name: Install dependencies
+        run: |
+          composer install
+
+      - name: Run PHPStan
+        run: |
+          ./vendor/bin/phpstan
+
+      - name: PHP Code Sniffer
+        run: |
+          ./vendor/bin/phpcs
+
+      - name: Run PHPUnit
+        run: |
+          ./vendor/bin/phpunit

.gitignore

@@ -2,6 +2,5 @@
 composer.phar
 composer.lock
 vendor/
-storage/
 .phpunit.cache
 .phpunit.result.cache

phpstan.neon

@@ -3,7 +3,6 @@ parameters:
 	paths:
 		- src
 		- tests
-	tmpDir: /var/www/html/storage/phpstan-cache
 	reportUnmatchedIgnoredErrors: true
 
 includes: