WIP using metadata

Author: timsaucer

.github/workflows/test.yaml

@@ -91,7 +91,7 @@ jobs:
 
       - name: FFI unit tests
         run: |
-          cd examples/ffi-table-provider
+          cd examples/ffi-library
           uv run --no-project maturin develop --uv
           uv run --no-project pytest python/tests/_test_table_provider.py