feat: integrate with azure cosmos db (#1444)

.changeset/slow-pets-push.md

examples/azure-cosmosdb.ts

examples/cosmosdb/loadVectorData.ts

examples/cosmosdb/queryVectorData.ts

examples/cosmosdb/utils.ts

...dex/src/storage/docStore/AzureCosmosNoSqlDocumentStore.ts

packages/llamaindex/src/storage/index.ts

...ndex/src/storage/indexStore/AzureCosmosNoSqlIndexStore.ts

...llamaindex/src/storage/kvStore/AzureCosmosNoSqlKVStore.ts

...maindex/src/vector-store/AzureCosmosDBNoSqlVectorStore.ts

pnpm-lock.yaml