prepare initial release

Author: OriolAbril

README.md

@@ -9,3 +9,13 @@ Base ArviZ features and converters (once finished).
 
 We are currently working on splitting ArviZ into independent modules.
 See https://github.com/arviz-devs/arviz/issues/2088 for more details.
+
+---
+
+A pre-release is already available on PyPI, install it with:
+
+```
+pip install arviz-base
+```
+
+More about ArviZ base at https://arviz-base.readthedocs.io

docs/source/index.md

@@ -1,13 +1,34 @@
 # arviz-base
 ArviZ base features and converters.
 
+:::{important}
+This package is still in a very early development stage.
+Testing and feedback are extremely welcome, but for
+general applications, the main
+[ArviZ Python library](https://python.arviz.org)
+should be used.
+:::
+
 ## Installation
 
-It currenly can only be installed with pip and from GitHub:
+It currently can only be installed with pip:
+
+::::{tab-set}
+:::{tab-item} PyPI
+:sync: stable
+
+```bash
+pip install arviz-base
+```
+:::
+:::{tab-item} GitHub
+:sync: dev
 
 ```bash
 pip install arviz-base @ git+https://github.com/arviz-devs/arviz-base
 ```
+:::
+::::
 
 Note that `arviz-base` is a minimal package, which only depends on
 xarray (and xarray-datatree which will at some point be merged into xarray),
@@ -19,9 +40,22 @@ only plan to use zarr, there is no need to install netcdf.
 
 For convenience, some bundles are available to be installed with:
 
+::::{tab-set}
+:::{tab-item} PyPI
+:sync: stable
+
+```bash
+pip install "arviz-base[<option>]"
+```
+:::
+:::{tab-item} GitHub
+:sync: dev
+
 ```bash
 pip install "arviz-base[<option>] @ git+https://github.com/arviz-devs/arviz-base"
 ```
+:::
+::::
 
 where `<option>` can be one of:
 

src/arviz_base/_version.py

@@ -1,2 +1,2 @@
 """Base ArviZ version."""
-__version__ = "0.1"
+__version__ = "0.1.0"