Pyteseo

Added:
1) coverage functionality
2) tools configuration in pyproject.toml
3) write currents and winds with io module
4) build and publish in pypi.test
5) build and publish in pypi
6) user able to use tests to validate installation
7) add jupyter notebooks in docs
8) publish docs in github repo page-service
Changed:
1) upgrade logic for coastlines
2) change structure to add tests as subpackage
3) update doc
4) visibility of the repo to public
Fixed:
1) None
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Added:
1) Init repository using flit
2) Initial structure of the package
3) Functions read_grid, read_coastline, write_grid, write_coastline in pyteseo.io.py
4) Testing using pytest
5) Initial documentation using sphynx, myst_parser, autoapi...
6) Logo images for TESEO and pyTESEO
7) First CHANGELOG
Changed:
1) None
Fixed:
1) None
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