Clarify volume mount placeholder paths in Docker examples

Co-authored-by: bpkroth <6413716+bpkroth@users.noreply.github.com>

Author: Copilot

README.md

@@ -211,7 +211,7 @@ To modify the logging level you can update [`logging.properties`](src/main/resou
 # Pull the dev image for building from source
 docker pull benchbase.azurecr.io/benchbase-dev:latest
 docker run -it --rm \
-  -v /path/to/benchbase-source:/benchbase \
+  -v /path/to/your/benchbase-source:/benchbase \
   -v $HOME/.m2:/home/containeruser/.m2 \
   benchbase.azurecr.io/benchbase-dev:latest
 ```

docker/benchbase/README.md

@@ -74,7 +74,7 @@ To use prebuilt containers when available:
 docker pull benchbase.azurecr.io/benchbase-dev:latest
 
 # Provide a build environment for working with the local source code:
-docker run -it --rm -v /path/to/src:/benchbase benchbase.azurecr.io/benchbase-dev:latest
+docker run -it --rm -v /path/to/your/benchbase-source:/benchbase benchbase.azurecr.io/benchbase-dev:latest
 ```
 
 > Optional: also reuse the local `MAVEN_CONFIG_DIR` and it's repository download cache with the following argument: