Update README.md

Link it to source Qwen repo on Hf

README.md

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 ## Model Details
 
 ### Model Description
-This model is a quantized version of the `Qwen/Qwen2-0.5B-Instruct` neural network designed to reduce computational and memory requirements while maintaining accuracy. Quantization involves converting the weights and activations of the model from floating-point to lower precision, such as 8-bit integers.
+This model is a quantized version of the [Qwen/Qwen2-0.5B-Instruct](Qwen/Qwen2-0.5B-Instruct) neural network designed to reduce computational and memory requirements while maintaining accuracy. Quantization involves converting the weights and activations of the model from floating-point to lower precision, such as 8-bit integers.
 
 ## Usage