Merge branch 'fhennig/hip-target' into 'v2.0-dev'

conftest.py

docs/source/backend/gpu_codegen.md

docs/source/backend/platforms.md

docs/source/contributing/dev-workflow.md

docs/source/installation.md

docs/source/user_manual/gpu_kernels.md

pyproject.toml

src/pystencils/backend/emission/base_printer.py

src/pystencils/backend/platforms/__init__.py

src/pystencils/backend/platforms/cuda.py

src/pystencils/backend/platforms/generic_gpu.py

src/pystencils/backend/platforms/hip.py

src/pystencils/boundaries/boundaryhandling.py

src/pystencils/codegen/config.py

src/pystencils/codegen/driver.py

src/pystencils/codegen/gpu_indexing.py

src/pystencils/codegen/target.py

src/pystencils/datahandling/datahandling_interface.py

src/pystencils/datahandling/serial_datahandling.py

src/pystencils/enums.py