fix(docs): add cd docker/opensource before docker build command

README.md

@@ -217,6 +217,9 @@ MODEL_PROVIDER="custom"
 # -e MODEL_*                  Inject the config parameters above as env vars
 # -v hermes_data:/opt/data    Persist memory data to a named volume (survives restart)
 
+# Enter the Docker build directory (already cloned the repo and at the repo root)
+cd docker/opensource
+
 # Build
 docker build -f Dockerfile.hermes -t hermes-memory .
 

README_CN.md

@@ -220,6 +220,9 @@ MODEL_PROVIDER="custom"
 # -e MODEL_*                  将上方配置参数注入容器环境变量
 # -v hermes_data:/opt/data    记忆数据持久化到命名卷（容器重启后数据不丢）
 
+# 进入 Docker 构建目录（已 clone 仓库并位于仓库根目录）
+cd docker/opensource
+
 # 构建
 docker build -f Dockerfile.hermes -t hermes-memory .