[DebugBundle] Enable the VarDumper server dumper by default on dev

symfony/debug-bundle/4.1/config/packages/dev/debug.yaml

@@ -0,0 +1,4 @@
+debug:
+    # Forwards VarDumper Data clones to a centralized server allowing to inspect dumps on CLI or in your browser.
+    # See the "server:dump" command to start a new server.
+    dump_destination: "tcp://%env(VAR_DUMPER_SERVER)%"

symfony/debug-bundle/4.1/manifest.json

@@ -0,0 +1,8 @@
+{
+    "bundles": {
+        "Symfony\\Bundle\\DebugBundle\\DebugBundle": ["dev", "test"]
+    },
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    }
+}