Docuemntation added

docs/about.md

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+# About the `xcube-resampling` project
+
+## Changelog
+
+You can find the complete `xcube-resampling` changelog 
+[here](https://github.com/xcube-dev/xcube-resampling/blob/main/CHANGES.md). 
+
+## Reporting
+
+If you have suggestions, ideas, feature requests, or if you have identified
+a malfunction or error, then please 
+[post an issue](https://github.com/xcube-dev/xcube-resampling/issues). 
+
+## Contributions
+
+The `xcube-resampling` project welcomes contributions of any form
+as long as you respect our 
+[code of conduct](https://github.com/xcube-dev/xcube-resampling/blob/main/CODE_OF_CONDUCT.md)
+and follow our 
+[contribution guide](https://github.com/xcube-dev/xcube-resampling/blob/main/CONTRIBUTING.md).
+
+If you'd like to submit code or documentation changes, we ask you to provide a 
+pull request (PR) 
+[here](https://github.com/xcube-dev/xcube-resampling/pulls). 
+For code and configuration changes, your PR must be linked to a 
+corresponding issue. 
+
+## Development
+
+To install the `xcube-resampling` development environment into an existing Python 
+environment, do
+
+```bash
+pip install .[dev,doc]
+```
+
+or create a new environment using `conda` or `mamba`
+
+```bash
+mamba env create 
+```
+
+### Testing and Coverage
+
+`xcube-resampling` uses [pytest](https://docs.pytest.org/) for unit-level testing 
+and code coverage analysis.
+
+```bash
+pytest tests/ --cov=xcube_resampling --cov-report html
+```
+
+### Code Style
+
+The `xcube-resampling` source code is formatted and quality-controlled 
+using [ruff](https://docs.astral.sh/ruff/):
+
+```bash
+ruff format
+ruff check
+```
+
+### Documentation
+
+The `xcube-resampling` documentation is built using the 
+[mkdocs](https://www.mkdocs.org/) tool.
+
+With repository root as current working directory:
+
+```bash
+pip install .[doc]
+
+mkdocs build
+mkdocs serve
+mkdocs gh-deploy
+```
+
+## License
+
+`xcube-resampling` is open source made available under the terms and conditions of the 
+[MIT license](https://opensource.org/license/mit).

docs/api.md

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+
+::: xcube_resampling.resample_in_space
+::: xcube_resampling.affine_transform_dataset
+::: xcube_resampling.reproject_dataset
+::: xcube_resampling.rectify_dataset
+::: xcube_resampling.utils
+::: xcube_resampling.gridmapping.GridMapping
+::: xcube_resampling.constants