docs: add repo URL in docker/README.md (#163)

Signed-off-by: cryo <[email protected]>

Author: cryo-zd

docker/README.md

@@ -12,7 +12,7 @@ This Docker Compose configuration allows you to quickly run Semantic Router + En
 1. **Clone the repository and navigate to the project directory**
 
    ```bash
-   git clone <repository-url>
+   git clone https://github.com/vllm-project/semantic-router.git
    cd semantic_router
    ```