[fw-bundle] Add support for validator auto-mapping

symfony/framework-bundle/4.3/config/packages/framework.yaml

@@ -0,0 +1,24 @@
+framework:
+    secret: '%env(APP_SECRET)%'
+    #default_locale: en
+    #csrf_protection: true
+    #http_method_override: true
+
+    # Enables session support. Note that the session will ONLY be started if you read or write from it.
+    # Remove or comment this section to explicitly disable session support.
+    session:
+        handler_id: ~
+        cookie_secure: auto
+        cookie_samesite: lax
+
+    #esi: true
+    #fragments: true
+    php_errors:
+        log: true
+
+    validation:
+        # Enables validator auto-mapping support.
+        # For instance, basic validation constraints will be inferred from Doctrine's metadata.
+        auto_mapping:
+            App\Entity\: []
+