Bugfix: miss copy tools dir (vllm-project#161)

Signed-off-by: rongfu.leng <[email protected]>

Author: lengrongfu

Dockerfile.extproc

@@ -15,6 +15,7 @@ COPY tools/make/ tools/make/
 COPY Makefile ./
 COPY candle-binding/Cargo.toml candle-binding/
 COPY candle-binding/src/ candle-binding/src/
+Copy tools ./tools
 
 # Use Makefile to build the Rust library
 RUN make rust