Added docs and release notes

Author: CharlesDuboisSAP

docs/guides/ORCHESTRATION_CHAT_COMPLETION.md

@@ -206,31 +206,16 @@ In this example, the input will be masked before the call to the LLM and will re
 Use the grounding module to provide additional context to the AI model. 
 
 ```java
-    var message =
-        Message.user(
-            "{{?groundingInput}} Use the following information as additional context: {{?groundingOutput}}");
-    var prompt =
-        new OrchestrationPrompt(Map.of("groundingInput", "What does Joule do?"), message);
-
-    var filterInner =
-        DocumentGroundingFilter.create().id("someID").dataRepositoryType(DataRepositoryType.VECTOR);
-    var groundingConfigConfig =
-        GroundingModuleConfigConfig.create()
-            .inputParams(List.of("groundingInput"))
-            .outputParam("groundingOutput")
-            .addFiltersItem(filterInner);
-    
-    var groundingConfig =
-        GroundingModuleConfig.create()
-            .type(GroundingModuleConfig.TypeEnum.DOCUMENT_GROUNDING_SERVICE)
-            .config(groundingConfigConfig);
-    var configWithGrounding = config.withGroundingConfig(groundingConfig);
-
-    var result =  
-            new OrchestrationClient().chatCompletion(prompt, configWithGrounding);
+var groundingConfig = Grounding.create();
+var prompt = groundingConfig.createGroundingPrompt("What does Joule do?");
+var configWithGrounding = config.withGrounding(groundingConfig);
+
+var result = client.chatCompletion(prompt, configWithGrounding);
 ```
 
-In this example, the AI model is provided with additional context in the form of grounding information. Note, that it is necessary to provide the grounding input via one or more input variables.
+In this example, the AI model is provided with additional context in the form of grounding information.
+
+`Grounding.create()` is by default a document grounding service with a vector data repository and id `"someID"`.
 
 ## Stream chat completion
 

docs/release-notes/release_notes.md

@@ -16,6 +16,7 @@
 
 - New Orchestration features:
   - [Spring AI integration](../guides/ORCHESTRATION_CHAT_COMPLETION.md#spring-ai-integration)
+  - [Add Grounding configuration convenience](../guides/ORCHESTRATION_CHAT_COMPLETION.md#grounding)
   - Images are now supported as input in newly introduced `MultiChatMessage`.
   - `MultiChatMessage` also allows for multiple content items (text or image) in one object.
   - Grounding input can be masked with `DPIConfig`.