ENH: Add all extras dep as a convenient alias

Author: thewtex

docs/installation.md

@@ -40,3 +40,15 @@ Optional extras dependencies include:
 [dask-image]: https://image.dask.org/en/latest/
 [itk]: https://docs.itk.org/en/latest/learn/python_quick_start.html
 [tensorstore]: https://google.github.io/tensorstore/
+
+To install all optional dependencies:
+
+```shell
+pip install "ngff-zarr[cli,dask-image,itk,tensorstore,validate]"
+```
+
+or, equivalently:
+
+```shell
+pip install "ngff-zarr[all]"
+```

pyproject.toml

@@ -78,6 +78,7 @@ validate = [
   "jsonschema"
 ]
 docs = [ "furo>=2024.7.18,<2025", "myst-parser>=3.0.1,<4", "sphinx>=7.4.7,<8", "sphinx-autodoc2>=0.5.0,<0.6", "sphinx-copybutton>=0.5.2,<0.6", "sphinx-design>=0.6.0,<0.7", "sphinxext-opengraph>=0.9.1,<0.10", "sphinx-autobuild>=2024.4.16,<2025"]
+all = ["ngff-zarr[cli]", "ngff-zarr[docs]", "ngff-zarr[test]", "ngff-zarr[validate]", "ngff-zarr[tensorstore]"]
 
 
 [tool.coverage.report]