message: Addendum to mac build for cli/libnullpay
diff: cd ./indy-sdk/libindy
  cargo build
  ```
  +6. To compile the CLI, libnullpay, or other items that depend on libindy:
  + ```
  + export LIBRARY_PATH=/path/to/sdk/libindy/target/<config>
  + cd ../cli
  + cargo build
  + ```
  # Note on running local nodes
  