grim/hgkeeper-theme

Add the file header with the license and modeline and fix some mixed whitespace
#!/usr/bin/make -f
.PHONY: all
all: sdist
.PHONY: clean
clean:
rm -rf dist build *.egg-info
.PHONY: sdist
sdist:
python3 setup.py sdist
.PHONY: upload
upload: dist
twine upload dist/*