update license of JDocQA (#4)

JDocQA.py

@@ -45,7 +45,7 @@ Japanese Document Question Answering (JDocQA), a large-scale document-based QA d
 
 _HOMEPAGE = "https://github.com/mizuumi/JDocQA"
 
-_LICENSE = "JDocQA dataset annotations are distributed under CC BY-SA 4.0."
+_LICENSE = "JDocQA dataset annotations are distributed under CC BY-SA 4.0. We are delighted to see many derivations from JDocQA! When you create any derivations, e.g., datasets, papers, etc, from JDocQA, please cite our paper accordingly. If your derivations are web-based projects, please cite our paper and include the link to this github page."
 
 _URLS = {
     "annotations": {

README.md

@@ -257,7 +257,7 @@ From [JDocQA's paper](https://arxiv.org/abs/2403.19454):
 
 From [JDocQA's README.md](https://github.com/mizuumi/JDocQA/blob/main/dataset/README.md):
 
-> JDocQA dataset annotations are distributed under CC BY-SA 4.0.
+> JDocQA dataset annotations are distributed under CC BY-SA 4.0. We are delighted to see many derivations from JDocQA! When you create any derivations, e.g., datasets, papers, etc, from JDocQA, please cite our paper accordingly. If your derivations are web-based projects, please cite our paper and include the link to [this github page](https://github.com/mizuumi/JDocQA?tab=readme-ov-file#cite).
 
 ### Citation Information