Leverage PSR-4 routing (#1136)

symfony/routing/6.2/config/packages/routing.yaml

@@ -0,0 +1,12 @@
+framework:
+    router:
+        utf8: true
+
+        # Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
+        # See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
+        #default_uri: http://localhost
+
+when@prod:
+    framework:
+        router:
+            strict_requirements: null

symfony/routing/6.2/config/routes.yaml

@@ -0,0 +1,3 @@
+controllers:
+    resource: ../src/Controller/
+    type: attribute@App\Controller

symfony/routing/6.2/manifest.json

@@ -0,0 +1,9 @@
+{
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    },
+    "aliases": ["router"],
+    "conflict": {
+        "symfony/framework-bundle": "<6.2"
+    }
+}