Create dataset loader for WikiHow-GOSC

[SamuelCahyawijaya]

Dataloader name: wikihow_gosc/wikihow_gosc.py
DataCatalogue: http://seacrowd.github.io/seacrowd-catalogue/card.html?wikihow_gosc

Dataset	wikihow_gosc
Description	This dataset consists of wikiHow goal-oriented scripts, or entries with wikiHow goals or tasks, and section/s with steps to perform said tasks. Steps can either be ordered or not.
Subsets	ind, tha, vie
Languages	ind, tha, vie
Tasks	Goal-oriented Generation
License	MIT (mit)
Homepage	https://github.com/veronica320/wikihow-GOSC/tree/main?tab=readme-ov-file
HF URL	-
Paper URL	https://aclanthology.org/2021.inlg-1.19v2.pdf

[elyanah-aco]

#self-assign