add hyperlink (#4588)

### What this PR does / why we need it?
add hyperlink

### Does this PR introduce _any_ user-facing change?
no

### How was this patch tested?
ut

- vLLM version: v0.11.2

---------

Signed-off-by: herizhen <you@example.com>
Co-authored-by: herizhen <you@example.com>

docs/source/developer_guide/feature_guide/KV_Cache_Pool_Guide.md

@@ -18,7 +18,7 @@ Hence, we propose to integrate Mooncake Store with a brand new **MooncakeStoreCo
 
 vLLM Ascend Currently supports Mooncake Store for KV Cache Pool. To enable Mooncake Store, one needs to config `kv-transfer-config` and choose `MooncakeStoreConnector` as KV Connector.
 
-For step-by-step deployment and configuration, please refer to the KV Pool User Guide at `vllm-ascend/docs/source/user_guide/feature_guide/kv_pool_mooncake.md`
+For step-by-step deployment and configuration, please refer to the [KV Pool User Guide](https://docs.vllm.ai/projects/ascend/en/latest/user_guide/feature_guide/kv_pool.html).
 
 ## How it works?
 The KV Cache Pool integrates multiple memory tiers (HBM, DRAM, SSD, etc.) through a connector-based architecture.

docs/source/user_guide/feature_guide/kv_pool.md

@@ -29,7 +29,7 @@
 
         Also, you need to set environment variables to point to them `export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib64/python3.11/site-packages/mooncake`, or copy the .so files to the `/usr/local/lib64` directory after compilation
 
-### run mooncake master
+### Run Mooncake Master
 
 #### 1.Configure mooncake.json