Update HaVG dataset card with project page, HausaNLP paper link, and relevant tags

This PR updates the HaVG dataset card by:
- Adding a link to the HausaNLP project homepage: https://catalog.hausanlp.org
- Adding a link to the main HausaNLP GitHub organization: https://github.com/HausaNLP
- Linking to the recent survey paper "HausaNLP: Current Status, Challenges and Future Directions for Hausa Natural Language Processing" (https://huggingface.co/papers/2505.14311) in the `Paper` field and providing additional context in the dataset summary. The original citation for the HaVG dataset remains in the 'Citation Information' section.
- Including additional relevant tags (`multimodal`, `low-resource`, `multilingual`, `hausanlp`, `visual-genome`) in the metadata for better discoverability.

README.md

@@ -1,14 +1,20 @@
 ---
+language:
+- ha
 license: cc-by-nc-sa-4.0
+size_categories:
+- 10K<n<100K
 task_categories:
 - translation
 - image-to-text
 - text-to-image
-language:
-- ha
 pretty_name: HaVG
-size_categories:
-- 10K<n<100K
+tags:
+- multimodal
+- low-resource
+- multilingual
+- hausanlp
+- visual-genome
 dataset_info:
   features:
   - name: image
@@ -41,13 +47,14 @@ dataset_info:
   download_size: 4644869592
   dataset_size: 8616629
 ---
+
 # HaVG: Hausa Visual Genome
 
 ## Dataset Description
 
-- **Homepage:** 
-- **Repository:** 
-- **Paper:** 
+- **Homepage:** https://catalog.hausanlp.org
+- **Repository:** https://github.com/HausaNLP
+- **Paper:** [HausaNLP: Current Status, Challenges and Future Directions for Hausa Natural Language Processing](https://huggingface.co/papers/2505.14311)
 - **Leaderboard:** 
 - **Point of Contact:** 
 
@@ -55,6 +62,8 @@ dataset_info:
 
 The Hausa Visual Genome (HaVG) dataset contains the description of an image or a section within the image in Hausa and its equivalent in English. The dataset was prepared by automatically translating the English description of the images in the Hindi Visual Genome (HVG). The synthetic Hausa data was then carefully post-edited, taking into cognizance the respective images. The data is made of 32,923 images and their descriptions that are divided into training, development, test, and challenge test set. The Hausa Visual Genome is the first dataset of its kind and can be used for Hausa-English machine translation, multi-modal research, image description, among various other natural language processing and generation tasks.
 
+This dataset is part of the broader HausaNLP initiative, a curated catalog that aggregates datasets, tools, and research works for Hausa Natural Language Processing. More details can be found in the paper [HausaNLP: Current Status, Challenges and Future Directions for Hausa Natural Language Processing](https://huggingface.co/papers/2505.14311).
+
 ### Supported Tasks
 
 - Translation