Add GitHub workflow and gitattribute file

.gitattributes

@@ -0,0 +1,9 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/.github                    export-ignore
+/tests                      export-ignore
+/.gitattributes             export-ignore
+/.gitignore                 export-ignore
+/phpunit.xml.dist           export-ignore

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: ci
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version: [ '7.4', '8.0', '8.1', '8.2' ]
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - name: php-setup
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+
+      - name: composer-validate
+        run: composer validate
+
+      - name: composer-cache
+        id: composer-cache
+        uses: actions/cache@v3
+        with:
+          path: vendor
+          key: ${{ runner.os }}-${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.php-version }}-composer-
+
+      - name: composer-install
+        if: steps.composer-cache.outputs.cache-hit != 'true'
+        run: composer install --prefer-dist --no-progress --no-suggest
+
+      - name: phpunit
+        run: vendor/bin/phpunit

.gitignore

@@ -1,14 +1,8 @@
-/tests/cache
+/.idea/
+/tests/App/var
+/tests/coverage/
 /vendor/
-phpunit.xml
-.phpunit.result.cache
-composer.lock
-.idea/
-cache/
-var/
-tests/coverage/
 .DS_Store
-.php_cs.cache
-.php-cs-fixer.cache
-*.sqlite
-.preload.php
+composer.lock
+.phpunit.result.cache
+phpunit.xml

composer.json

@@ -20,6 +20,7 @@
     ],
     "require": {
         "php": ">=7.4",
+        "doctrine/annotations": "^2.0",
         "doctrine/orm": "^2.7",
         "paragonie/ciphersweet": "^3.0",
         "symfony/config": "^4.4 || ^5.1 || ^6.0",