Improve language tag

Hi! As the model is multilingual, this is a PR to add other languages than English to the language tag to improve the referencing. Note that 29 languages are announced in the README, but only 13 are explicitly listed. I was therefore only able to add these 13 languages.

README.md

@@ -1,17 +1,29 @@
----
-license: apache-2.0
-language:
-- en
-base_model:
-- Qwen/Qwen2.5-0.5B
-pipeline_tag: text-generation
-library_name: transformers
-tags:
-- qwen
-- qwen2.5
-- qwq
----
-
-# QwQwen-0.5B
-
+---
+license: apache-2.0
+language:
+- zho
+- eng
+- fra
+- spa
+- por
+- deu
+- ita
+- rus
+- jpn
+- kor
+- vie
+- tha
+- ara
+base_model:
+- Qwen/Qwen2.5-0.5B
+pipeline_tag: text-generation
+library_name: transformers
+tags:
+- qwen
+- qwen2.5
+- qwq
+---
+
+# QwQwen-0.5B
+
 [Qwen/Qwen2.5-0.5B](https://huggingface.co/Qwen/Qwen2.5-0.5B), but with the vocab of [Qwen/QwQ-32B](https://huggingface.co/Qwen/QwQ-32B) transplanted using [transplant-vocab](https://github.com/jukofyork/transplant-vocab).