Add Chaka-ASR model card, inference example, and upstream credits

LICENSE

@@ -0,0 +1,11 @@
+Chaka-ASR
+Creative Commons Attribution 4.0 International (CC BY 4.0)
+
+Chaka-ASR is licensed under CC BY 4.0.
+License: https://creativecommons.org/licenses/by/4.0/
+Full legal terms: https://creativecommons.org/licenses/by/4.0/legalcode
+
+Attribution: caesar-abrham, Chaka-ASR (2026)
+https://huggingface.co/caesar-abrham/Chaka-ASR
+
+Retain upstream attribution in NOTICE.md when sharing this model.

NOTICE.md

@@ -2,6 +2,6 @@
 
 Chaka-ASR is fine-tuned from badrex/Ethio-ASR-amharic, which declares CC BY 4.0, and builds on facebook/w2v-bert-2.0.
 
-Adaptation used Leyu Amharic speech datasets with WAXAL replay. Consult upstream model cards and dataset terms for attribution and applicable conditions.
+Adaptation used [Leyu Amharic speech datasets](https://huggingface.co/leyu-amharic) with WAXAL replay. Consult upstream model cards and dataset terms for attribution and applicable conditions.
 
-This notice provides attribution and does not replace a LICENSE file or grant a new license.
+Chaka-ASR is released under CC BY 4.0. See LICENSE for the license reference. This notice records upstream attribution.

README.md

@@ -1,6 +1,7 @@
 ---
 language:
   - am
+license: cc-by-4.0
 library_name: transformers
 pipeline_tag: automatic-speech-recognition
 base_model: badrex/Ethio-ASR-amharic
@@ -93,12 +94,14 @@ Chaka-ASR acknowledges:
 
 - [Ethio-ASR](https://huggingface.co/collections/badrex/ethio-asr), including the Amharic starting checkpoint.
 - [facebook/w2v-bert-2.0](https://huggingface.co/facebook/w2v-bert-2.0), the upstream architecture and pretrained model.
-- Leyu Amharic speech datasets used for adaptation.
+- [Leyu Amharic speech datasets](https://huggingface.co/leyu-amharic), used for adaptation.
 - [WAXAL](https://huggingface.co/datasets/google/WaxalNLP), used as replay data during adaptation.
 
 ## License
 
-A release license for Chaka-ASR has not yet been declared in this repository. The upstream Ethio-ASR Amharic model declares CC BY 4.0. Consult the applicable upstream model and dataset terms; public availability alone is not a license grant.
+Chaka-ASR is released under the [Creative Commons Attribution 4.0 International license (CC BY 4.0)](https://creativecommons.org/licenses/by/4.0/).
+
+You may share and adapt the model, including for commercial use, provided you give appropriate credit, link to the license, and indicate any changes. See [LICENSE](LICENSE) for the license reference and full terms.
 
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