Dask-memusage-gpus

**Changelog**:

- Fixing links to badges
- Adding plot.py script to plot recorded files
- Add `run_on_client` option for the memory thread
- Fixing some `pylint` errors with code style
- Fixing the wrong parameter name for the file type

The first release of dask-memusage-gpus plugin.

This contains a minimal set of features to collect gpu usage using Dask.