Closes #12 | Add/Update Dataloader BalitaNLP

[raileymontalan]

Closes #12

Notes

There are many articles in the dataset whose corresponding image file does not exist in the repository. Reporting the statistics here:

• train split (281403 total examples): 18923 missing images (~6.72%)
• test split (35177 total examples): 2356 missing images (~6.70%)
• validation split (35175 total examples): 2369 missing images (~6.73%)

Checkbox

• [x] Confirm that this PR is linked to the dataset issue.
• [x] Create the dataloader script seacrowd/sea_datasets/{my_dataset}/{my_dataset}.py (please use only lowercase and underscore for dataset folder naming, as mentioned in dataset issue) and its __init__.py within {my_dataset} folder.
• [x] Provide values for the _CITATION, _DATASETNAME, _DESCRIPTION, _HOMEPAGE, _LICENSE, _LOCAL, _URLs, _SUPPORTED_TASKS, _SOURCE_VERSION, and _SEACROWD_VERSION variables.
• [x] Implement _info(), _split_generators() and _generate_examples() in dataloader script.
• [x] Make sure that the BUILDER_CONFIGS class attribute is a list with at least one SEACrowdConfig for the source schema and one for a seacrowd schema.
• [x] Confirm dataloader script works with datasets.load_dataset function.
• [x] Confirm that your dataloader script passes the test suite run with python -m tests.test_seacrowd seacrowd/sea_datasets/<my_dataset>/<my_dataset>.py or python -m tests.test_seacrowd seacrowd/sea_datasets/<my_dataset>/<my_dataset>.py --subset_id {subset_name_without_source_or_seacrowd_suffix}.
• [ ] If my dataset is local, I have provided an output of the unit-tests in the PR (please copy paste). This is OPTIONAL for public datasets, as we can test these without access to the data files.

[raileymontalan]

Hi @raileymontalan, looks good to me! I have one suggestion though.

Could you please add the author, category, date, img_url, url, and website under the metadata in the seacrowd_imtext schema?

Details added to metadata. Ready for review, thanks!