Start go/rust bindings

bindings/go/cgo/lib.go

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+package vec
+
+// #cgo LDFLAGS: -lsqlite_vec0
+// #cgo CFLAGS: -DSQLITE_CORE
+// #include <sqlite3ext.h>
+//
+// extern int sqlite3_vec_init(sqlite3 *db, char **pzErrMsg, const sqlite3_api_routines *pApi);
+//
+import "C"
+
+// Once called, every future new SQLite3 connection created in this process
+// will have the hello extension loaded. It will persist until [Cancel] is
+// called.
+//
+// Calls [sqlite3_auto_extension()] under the hood.
+//
+// [sqlite3_auto_extension()]: https://www.sqlite.org/c3ref/auto_extension.html
+func Auto() {
+	C.sqlite3_auto_extension( (*[0]byte) ((C.sqlite3_vec_init)) );
+}
+
+// "Cancels" any previous calls to [Auto]. Any new SQLite3 connections created
+// will not have the hello extension loaded.
+//
+// Calls sqlite3_cancel_auto_extension() under the hood.
+func Cancel() {
+	C.sqlite3_cancel_auto_extension( (*[0]byte) (C.sqlite3_vec_init) );
+}