IGNITE-13514 Fix slim-edition assembly (config/default-config.xml file) - Fixes #8305.

Signed-off-by: Aleksey Plekhanov <plehanov.alex@gmail.com>
(cherry picked from commit 997cc09a4a0968f0ead6a15eb282bc2e861f81fa)
diff --git a/config/apache-ignite-slim/default-config.xml b/config/apache-ignite-slim/default-config.xml
new file mode 100644
index 0000000..5da95ba
--- /dev/null
+++ b/config/apache-ignite-slim/default-config.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:schemaLocation="
+       http://www.springframework.org/schema/beans
+       http://www.springframework.org/schema/beans/spring-beans.xsd">
+    <!--
+        Alter configuration below as needed.
+    -->
+    <bean id="grid.cfg" class="org.apache.ignite.configuration.IgniteConfiguration"/>
+</beans>