feat: include duckdb-rs as a submodule

Author: 0ax1

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "extension-ci-tools"]
 	path = duckdb-vortex/extension-ci-tools
 	url = https://github.com/duckdb/extension-ci-tools
+[submodule "duckdb-vortex/duckdb-rs"]
+	path = duckdb-vortex/duckdb-rs
+	url = https://github.com/spiraldb/duckdb-rs

Cargo.lock

@@ -26,7 +26,7 @@ members = [
     "vortex-tui",
     "xtask",
 ]
-exclude = ["wasm-test"]
+exclude = ["wasm-test", "duckdb-vortex/duckdb-rs"]
 resolver = "2"
 
 [workspace.package]
@@ -81,7 +81,7 @@ datafusion-expr = { version = "46" }
 datafusion-physical-expr = { version = "46" }
 datafusion-physical-plan = { version = "46" }
 divan = { package = "codspeed-divan-compat", version = "2.8.0" }
-duckdb = "1.2.0"
+duckdb = { path = "duckdb-vortex/duckdb-rs/crates/duckdb" }
 dyn-hash = "0.2.0"
 enum-iterator = "2.0.0"
 exponential-decay-histogram = "=0.1.13"