Update composer.json

Author: usernane

composer.json

@@ -8,13 +8,22 @@
     ],
     "license": "MIT",
     "require": {
-        "php": ">=7.0"
+        "php": ">=8.0"
     },
     "autoload" :{
         "psr-4":{
-            "WebFiori\\Json\\":"src/WebFiori/Json"
+            "WebFiori\\Json\\":"WebFiori/Json"
         }
     },
+    "autoload-dev" :{
+        "psr-4":{
+            "WebFiori\\Tests\\":"tests/WebFiori/Tests"
+        }
+    },
+    "scripts":{
+        "test": "phpunit --configuration tests/phpunit.xml"
+    },
     "require-dev": {
+        "phpunit/phpunit": "^10.0"
     }
 }