Fix: use std::move for add_table binding (Table is move-only)

Fix: expose add_table method in Python bindings

Fix: correct scikit-build-core install configuration for _core extension

Fix: add missing #include <cstdint> for uint32_t/uint8_t

Fix Dockerfile: use python:3.12 full image, minimal apt deps

Fix Dockerfile: add python3-dev and cmake/ninja pip packages

Add Hugging Face Spaces deployment

Initial commit: WayyDB columnar time-series database