Also create snapshots dir in run.sh

tools/docker-network/run.sh

@@ -24,6 +24,10 @@ if [[ "$WITH_GO_WORK" -eq 1 ]]; then
   export DOCKERFILE_PATH="./iota-core/Dockerfile.dev"
 fi
 
+mkdir -p docker-network-snapshots/
+# Allow 'others' to write, so a snapshot can be created via the management API from within docker containers.
+chmod o+w docker-network-snapshots/
+
 # Allow docker compose to build and cache an image
 echo $DOCKER_BUILD_CONTEXT $DOCKERFILE_PATH
 docker compose build --build-arg WITH_GO_WORK=${WITH_GO_WORK:-0} --build-arg DOCKER_BUILD_CONTEXT=${DOCKER_BUILD_CONTEXT} --build-arg DOCKERFILE_PATH=${DOCKERFILE_PATH}