message: Update README.md
  add command for running from source (https://discourse.odriverobotics.com/t/odrive-gui-beta-release/5628)
diff: @@ -43,6 +43,13 @@ npm run electron:build
  npm run electron:build -- -mwl
  ```
  +### Running from source
  +On the devel git branch, there may be unreleased changes to dependencies like fibre or the ODrive enumerations.
  +Use this command to launch the GUI with the dependencies from the repo:
  +```
  +npm run electron:serve -- ../tools/
  +```
  +
  ### Building for rpi and potentially other ARM platform devices
  PhantomJS is required as a dependency, so it must be installed first:
  