Added cypher query to setup vector indices

Author: preeesha

ingestion/src/queries/createIndex.cy

@@ -0,0 +1,16 @@
+DROP INDEX `nameEmbeddings`;
+DROP INDEX `codeEmbeddings`;
+
+CREATE VECTOR INDEX `nameEmbeddings`
+FOR (n: Node) ON (n.nameEmbeddings)
+OPTIONS {indexConfig: {
+   `vector.dimensions`: 768,
+   `vector.similarity_function`: 'COSINE'
+}};
+
+CREATE VECTOR INDEX `codeEmbeddings`
+FOR (n: Node) ON (n.codeEmbeddings)
+OPTIONS {indexConfig: {
+   `vector.dimensions`: 768,
+   `vector.similarity_function`: 'COSINE'
+}};