Added code analyzer

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,20 @@
+name: "CodeQL"
+
+on: [pull_request]
+jobs:
+  lint:
+    name: CodeQL
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 2
+
+    - run: git checkout HEAD^2
+
+    - name: Run CodeQL
+      run: |
+        docker run --rm -v $PWD:/app composer sh -c \
+        "composer install --profile --ignore-platform-reqs && composer check"

composer.json

@@ -6,9 +6,10 @@
   "license": "MIT",
   "minimum-stability": "stable",
   "scripts": {
-    "test": "vendor/bin/phpunit",
+    "test": "./vendor/bin/phpunit",
     "lint": "./vendor/bin/pint --test",
-    "format": "./vendor/bin/pint"
+    "format": "./vendor/bin/pint",
+    "check": "./vendor/bin/phpstan analyse --level 8 src tests"
   },
   "autoload": {
     "psr-4": {
@@ -28,7 +29,8 @@
   "require-dev": {
     "phpunit/phpunit": "9.5.*",
     "phpmailer/phpmailer": "6.6.*",
-    "laravel/pint": "^1.2"
+    "laravel/pint": "^1.2",
+    "phpstan/phpstan": "^1.9"
   },
   "config": {
     "platform": {