Update README.md

Add files via upload

Delete test/ti3c2o2_rectangular.xyz

Delete test/test_run.py

Create CHANGELOG.md

Update README.md

Update README.md

Update pyproject.toml

Update test_run.py

Delete src/polysurf/doc

Delete test/doc

Add files via upload

Create doc

Delete tests/ti3c2o2.xyz

Delete tests/test_run.py