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

@@ -1,15 +1,27 @@
----
-license: apache-2.0
-license_link: https://huggingface.co/Qwen/Qwen2.5-14B-Instruct/blob/main/LICENSE
-language:
-  - en
-base_model: Qwen/Qwen2.5-14B-Instruct
-base_model_relation: quantized
-library_name: mlc-llm
-pipeline_tag: text-generation
-tags:
-  - chat
----
-
-4-bit GPTQ quantized version of [Qwen2.5-14B-Instruct](https://huggingface.co/Qwen/Qwen2.5-14B-Instruct).
-
+---
+license: apache-2.0
+license_link: https://huggingface.co/Qwen/Qwen2.5-14B-Instruct/blob/main/LICENSE
+language:
+- zho
+- eng
+- fra
+- spa
+- por
+- deu
+- ita
+- rus
+- jpn
+- kor
+- vie
+- tha
+- ara
+base_model: Qwen/Qwen2.5-14B-Instruct
+base_model_relation: quantized
+library_name: mlc-llm
+pipeline_tag: text-generation
+tags:
+- chat
+---
+
+4-bit GPTQ quantized version of [Qwen2.5-14B-Instruct](https://huggingface.co/Qwen/Qwen2.5-14B-Instruct).
+