[EasyAdmin] Add pretty admin URL routes (#1381)

* [EasyAdmin] Add pretty admin URL routes

The support for pretty admin URLs was introduced in EasyAdmin 4.14.0.

* Restore manifest.json

* Update manifest.json

* Update manifest.json

easycorp/easyadmin-bundle/4.14/config/routes/easyadmin.yaml

@@ -0,0 +1,3 @@
+easyadmin:
+    resource: .
+    type: easyadmin.routes

easycorp/easyadmin-bundle/4.14/manifest.json

@@ -0,0 +1,9 @@
+{
+    "bundles": {
+        "EasyCorp\\Bundle\\EasyAdminBundle\\EasyAdminBundle": ["all"]
+    },    
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    },
+    "aliases": ["admin-gen", "admin-generator", "admin"]
+}