include *.cl files (#227), version++

Make normals of FEniCSx trace mesh point outward (#226)

* Write new test

* swap direction of normals if pointing inward

* ruff

* ruff format

* ruff

* fix incorrect type error

does ordering matter?

minor version, not major

set version to 0.3.0

automate push to pypi

bump version number

Merge pull request #64 from bempp/fixed_novec

Fixed novec assembly

Merge pull request #60 from bempp/small_release_patches

Small release patches