added ingestion functionality

ingest.py

@@ -0,0 +1,11 @@
+from llama_index import SimpleDirectoryReader, VectorStoreIndex, ServiceContext
+from llama_index.text_splitter import SentenceSplitter
+
+documents = SimpleDirectoryReader("./data").load_data()
+
+text_splitter = SentenceSplitter(chunk_size=512, chunk_overlap=10)
+service_context = ServiceContext.from_defaults(text_splitter=text_splitter)
+
+index = VectorStoreIndex.from_documents(
+    documents, service_context=service_context
+)