Fix license to CC BY-SA 4.0, add usage example

README.md

@@ -1,7 +1,7 @@
 ---
 language:
   - en
-license: apache-2.0
+license: cc-by-sa-4.0
 task_categories:
   - token-classification
 task_ids:
@@ -61,6 +61,24 @@ Each token has:
 - `DEPREL` — dependency relation
 - `MISC` — NER tags in BIO format (e.g., `NER=B-ORG`)
 
+## Usage
+
+```python
+import conllu
+from huggingface_hub import hf_hub_download
+
+# Download a split
+path = hf_hub_download("dragonscale-ai/kniv-corpus-en", "train.conllu", repo_type="dataset")
+
+with open(path) as f:
+    sentences = conllu.parse(f.read())
+
+for sent in sentences[:3]:
+    print(sent.metadata["text"])
+    for token in sent:
+        print(f"  {token['form']:20s} POS={token['upos']:6s} DEP={token['deprel']}")
+```
+
 ## Source
 
 - **Training code:** [rustic-ai/kniv-nlp-models](https://github.com/rustic-ai/kniv-nlp-models)
@@ -68,4 +86,4 @@ Each token has:
 
 ## License
 
-Apache-2.0 (annotations). See individual domain READMEs for source data licenses.
+CC BY-SA 4.0. See individual domain READMEs in the source repo for per-source licenses.