Start go/rust bindings

bindings/rust/src/lib.rs

@@ -0,0 +1,26 @@
+#[link(name = "sqlite_vec0")]
+extern "C" {
+    pub fn sqlite3_vec_init();
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use rusqlite::{ffi::sqlite3_auto_extension, Connection};
+
+    #[test]
+    fn test_rusqlite_auto_extension() {
+        unsafe {
+            sqlite3_auto_extension(Some(std::mem::transmute(sqlite3_vec_init as *const ())));
+        }
+
+        let conn = Connection::open_in_memory().unwrap();
+
+        let result: String = conn
+            .query_row("select vec_version()", [], |x| x.get(0))
+            .unwrap();
+
+        assert!(result.starts_with("v"));
+    }
+}