Add SAP HanaDB vector store integration

 - Implement a HanaCloudVectorStore and tests
 - Implement Autoconfiguraiton + properties
 - Add boot starter
 - Update BOM with vector store and boot dependencies.
 - Add antora docuementation
 - added junit for HanaCloudVectorStoreProperties.java and documentation
   to create a BTP trial account and provision an instance for SAP Hana Cloud db
 - updated license, formatting and javadoc
 - IT for HanaCloudVectorStoreAutoConfiguration
 - IT for HanaCloudVectorStoreAutoConfiguration

Additional
 - add @autoConfiguration(after = { JpaRepositoriesAutoConfiguration.class })
 - update the handa docs structure.

Author: rahulmitt

pom.xml

@@ -37,6 +37,7 @@
 		<module>spring-ai-spring-boot-starters/spring-ai-starter-chroma-store</module>
 		<module>spring-ai-spring-boot-starters/spring-ai-starter-milvus-store</module>
 		<module>spring-ai-spring-boot-starters/spring-ai-starter-pgvector-store</module>
+		<module>spring-ai-spring-boot-starters/spring-ai-starter-hanadb-store</module>
 		<module>spring-ai-spring-boot-starters/spring-ai-starter-pinecone-store</module>
 		<module>spring-ai-spring-boot-starters/spring-ai-starter-azure-store</module>
 		<module>spring-ai-spring-boot-starters/spring-ai-starter-weaviate-store</module>
@@ -47,6 +48,7 @@
 		<module>spring-ai-spring-boot-starters/spring-ai-starter-postgresml-embedding</module>
 		<module>spring-ai-docs</module>
 		<module>vector-stores/spring-ai-pgvector-store</module>
+		<module>vector-stores/spring-ai-hanadb-store</module>
 		<module>vector-stores/spring-ai-milvus-store</module>
 		<module>vector-stores/spring-ai-neo4j-store</module>
 		<module>document-readers/pdf-reader</module>
@@ -138,6 +140,7 @@
 		<!-- readers/writer/stores dependencies-->
 		<pdfbox.version>3.0.1</pdfbox.version>
 		<pgvector.version>0.1.4</pgvector.version>
+		<sap.hanadb.version>2.20.11</sap.hanadb.version>
 		<postgresql.version>42.7.2</postgresql.version>
 		<milvus.version>2.3.4</milvus.version>
 		<pinecone.version>0.8.0</pinecone.version>

spring-ai-bom/pom.xml

@@ -156,6 +156,12 @@
                 <version>${project.version}</version>
             </dependency>
 
+            <dependency>
+                <groupId>org.springframework.ai</groupId>
+                <artifactId>spring-ai-hanadb-store</artifactId>
+                <version>${project.version}</version>
+            </dependency>
+
             <dependency>
                 <groupId>org.springframework.ai</groupId>
                 <artifactId>spring-ai-pinecone</artifactId>
@@ -272,6 +278,12 @@
                 <version>${project.version}</version>
             </dependency>
 
+            <dependency>
+                <groupId>org.springframework.ai</groupId>
+                <artifactId>spring-ai-hanadb-store-spring-boot-starter</artifactId>
+                <version>${project.version}</version>
+            </dependency>
+
 			<dependency>
 				<groupId>org.springframework.ai</groupId>
 				<artifactId>spring-ai-watsonx-ai</artifactId>