Imas2xarray

What's Changed
* Infer missing placeholders and dimensions by stefsmeets in https://github.com/duqtools/imas2xarray/pull/14
* Skip undefined dimensions by stefsmeets in https://github.com/duqtools/imas2xarray/pull/15
* Update notebooks by stefsmeets in https://github.com/duqtools/imas2xarray/pull/16
* Fix rendering of notebooks in docs by stefsmeets in https://github.com/duqtools/imas2xarray/pull/17


**Full Changelog**: https://github.com/duqtools/imas2xarray/compare/0.3.0...0.4.0

What's Changed
* Write xarray data back to hdf5 file by stefsmeets in https://github.com/duqtools/imas2xarray/pull/12


**Full Changelog**: https://github.com/duqtools/imas2xarray/compare/0.2.0...0.3.0

What's Changed
* Fix metadata and update bumpversion to maintained fork by stefsmeets in https://github.com/duqtools/imas2xarray/pull/10
* Allow variables to be single-sourced by stefsmeets in https://github.com/duqtools/imas2xarray/pull/11


**Full Changelog**: https://github.com/duqtools/imas2xarray/compare/0.1.0...0.2.0

First release of *imas2xarray*: a Python library for reading IMAS data in hdf5 format into xarray.