[apache#5933] doc(catalog-model): Add docs for model management (apac…

…he#6052)

### What changes were proposed in this pull request?

Add the docs for model management.

### Why are the changes needed?

This is part of work to support model management in Gravitino.

Fix: apache#5933 

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

N/A

clients/client-java/src/main/java/org/apache/gravitino/client/GenericModelCatalog.java

@@ -204,7 +204,7 @@ public void linkModelVersion(
     NameIdentifier modelFullIdent = modelFullNameIdentifier(ident);
     BaseResponse resp =
         restClient.post(
-            formatModelVersionRequestPath(modelFullIdent),
+            formatModelVersionRequestPath(modelFullIdent) + "/versions",
             req,
             BaseResponse.class,
             Collections.emptyMap(),

clients/client-java/src/test/java/org/apache/gravitino/client/TestGenericModelCatalog.java

@@ -380,7 +380,8 @@ public void testLinkModelVersion() throws JsonProcessingException {
     String modelVersionPath =
         withSlash(
             GenericModelCatalog.formatModelVersionRequestPath(
-                NameIdentifier.of(METALAKE_NAME, CATALOG_NAME, "schema1", "model1")));
+                    NameIdentifier.of(METALAKE_NAME, CATALOG_NAME, "schema1", "model1"))
+                + "/versions");
 
     ModelVersionLinkRequest request =
         new ModelVersionLinkRequest(

clients/client-python/gravitino/client/generic_model_catalog.py

@@ -303,7 +303,7 @@ def link_model_version(
         request.validate()
 
         resp = self.rest_client.post(
-            f"{self._format_model_version_request_path(model_full_ident)}",
+            f"{self._format_model_version_request_path(model_full_ident)}/versions",
             request,
             error_handler=MODEL_ERROR_HANDLER,
         )

docs/index.md

@@ -56,6 +56,8 @@ REST API and the Java SDK. You can use either to manage metadata. See
   how to manage fileset metadata.
 * [Manage messaging metadata using Gravitino](./manage-messaging-metadata-using-gravitino.md) to learn how to manage
   messaging metadata.
+* [Manage model metadata using Gravitino](./manage-model-metadata-using-gravitino.md) to learn how to manage
+  model metadata.
 
 Also, you can find the complete REST API definition in
 [Gravitino Open API](./api/rest/gravitino-rest-api),
@@ -88,6 +90,10 @@ Gravitino currently supports the following catalogs:
 
 * [**Kafka catalog**](./kafka-catalog.md)
 
+**Model catalogs:**
+
+* [**Model catalog**](./model-catalog.md)
+
 ## Apache Gravitino playground
 
 To experience Gravitino with other components easily, Gravitino provides a playground to run. It
@@ -119,6 +125,7 @@ Gravitino supports different catalogs to manage the metadata in different source
 * [Hadoop catalog](./hadoop-catalog.md): a complete guide to using Gravitino to manage fileset
   using Hadoop Compatible File System (HCFS).
 * [Kafka catalog](./kafka-catalog.md): a complete guide to using Gravitino to manage Kafka topics metadata.
+* [Model catalog](./model-catalog.md): a complete guide to using Gravitino to manage model metadata.
 
 ### Governance
 

docs/kafka-catalog.md

@@ -15,7 +15,7 @@ One Kafka catalog corresponds to one Kafka cluster.
 
 ### Catalog properties
 
-Besides the [common catalog properties](./gravitino-server-config.md#gravitino-catalog-properties-configuration), the Kafka catalog has the following properties:
+Besides the [common catalog properties](./gravitino-server-config.md#apache-gravitino-catalog-properties-configuration), the Kafka catalog has the following properties:
 
 | Property Name       | Description                                                                                                                                                                                                   | Default Value | Required | Since Version |
 |---------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|----------|---------------|

docs/manage-metalake-using-gravitino.md

@@ -11,7 +11,7 @@ import TabItem from '@theme/TabItem';
 
 This page introduces how to create, modify, view, and delete [metalakes](./glossary.md#metalake) by using Gravitino. 
 
-## Prerequsites
+## Prerequisites
 
 You have installed and launched Gravitino. For more details, see [Get started](./getting-started.md).