Feature
* feat: improve prompt content for generating plot summary ([`a31bb1c`](https://github.com/Rebekah-Chuang/VizAble/commit/a31bb1c14b0471d226f23bb7fa9085843d634f07))
* feat: generate grouped box plot using `seaborn` and `matplotlib` ([`6d00bd4`](https://github.com/Rebekah-Chuang/VizAble/commit/6d00bd4c46aa6a618dad42e6ab20111c08f101dd))