Add query cancellation controls (#41)

Co-authored-by: SuLe <sule@SuLedeMacBook-Air.local>
Co-authored-by: skyler <77960507+t8y2@users.noreply.github.com>

src-tauri/src/commands/mod.rs

@@ -3,6 +3,7 @@ pub mod connection;
 pub mod history;
 pub mod mongo_cmd;
 pub mod query;
+pub mod query_cancel;
 pub mod redis_cmd;
 pub mod schema;
 pub mod transfer;