add composer.json

backend/composer.json

@@ -0,0 +1,24 @@
+{
+    "name": "inventory/backend",
+    "description": "Inventory Management System Backend",
+    "type": "project",
+    "require": {
+        "php": ">=8.1"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "App\\": "src/",
+            "Models\\": "models/"
+        }
+    },
+    "scripts": {
+        "post-install-cmd": [
+            "chmod -R 755 ."
+        ]
+    },
+    "minimum-stability": "stable",
+    "prefer-stable": true
+}