DuckDB Build System (#3397)

This PR introduces an alternate setup for a DuckDB extension written
primarily in Rust, with C++ used to expose additional functionality from
the DuckDB code base.

Signed-off-by: Alexander Droste <[email protected]>
Co-authored-by: Alexander Droste <[email protected]>

Author: gatesn

.github/workflows/ci.yml

@@ -179,7 +179,7 @@ jobs:
             target: wasm32-unknown-unknown
             env:
               rustflags: 'RUSTFLAGS="-A warnings --cfg getrandom_backend=\"wasm_js\""'
-            args: "--target wasm32-unknown-unknown --exclude vortex --exclude vortex-datafusion --exclude vortex-tui"
+            args: "--target wasm32-unknown-unknown --exclude vortex --exclude vortex-datafusion --exclude vortex-duckdb-ext --exclude vortex-tui"
     steps:
       - uses: runs-on/action@v1
       - uses: actions/checkout@v4

.github/workflows/publish.yml

@@ -32,6 +32,7 @@ jobs:
           --exclude bench-vortex \
           --exclude vortex-python \
           --exclude vortex-duckdb \
+          --exclude vortex-duckdb-ext \
           --exclude vortex-ffi \
           --exclude vortex-fuzz \
           --exclude vortex-jni \