Have client send hello_world business logic
bazel run //oak/client -- \
--server_address=127.0.0.1:8888 \
- --business_logic=$PWD/wac/examples_wast/arith.wasm \
+ --business_logic=$PWD/bazel-bin/examples/hello_world/js_wasm_pure_stripped/hello_world \
--expression='add 11 22'
