ClickHouse as a vector store (#10583)

docs/community/integrations/vector_stores.md

docs/examples/data_connectors/MakeDemo.ipynb

docs/examples/ingestion/async_ingestion_pipeline.ipynb

docs/examples/vector_stores/ClickHouseIndexDemo.ipynb

...a-index-core/llama_index/core/data_structs/struct_type.py

...rations/readers/llama-index-readers-clickhouse/.gitignore

...integrations/readers/llama-index-readers-clickhouse/BUILD

...egrations/readers/llama-index-readers-clickhouse/Makefile

...grations/readers/llama-index-readers-clickhouse/README.md

...x-readers-clickhouse/llama_index/readers/clickhouse/BUILD

...ers-clickhouse/llama_index/readers/clickhouse/__init__.py

...readers-clickhouse/llama_index/readers/clickhouse/base.py

...ations/readers/llama-index-readers-clickhouse/poetry.lock

...ons/readers/llama-index-readers-clickhouse/pyproject.toml

...ations/readers/llama-index-readers-clickhouse/tests/BUILD

.../readers/llama-index-readers-clickhouse/tests/__init__.py

...index-readers-clickhouse/tests/test_readers_clickhouse.py

...or_stores/llama-index-vector-stores-clickhouse/.gitignore

.../vector_stores/llama-index-vector-stores-clickhouse/BUILD

...ctor_stores/llama-index-vector-stores-clickhouse/Makefile