docs: add Conda badge and install instructions (#333)

* docs: reorganize imports README
* docs: add install instructions for Conda
* docs: add badges to install page
* docs: add Conda badge to README

README.md

@@ -3,18 +3,21 @@
 [![10.5281/zenodo.5526650](https://zenodo.org/badge/doi/10.5281/zenodo.5526650.svg)](https://doi.org/10.5281/zenodo.5526650)
 [![GPLv3+ license](https://img.shields.io/badge/License-GPLv3+-blue.svg)](https://www.gnu.org/licenses/gpl-3.0-standalone.html)
 
-[![Documentation build status](https://readthedocs.org/projects/tensorwaves/badge/?version=latest)](https://tensorwaves.readthedocs.io)
+[![PyPI package](https://badge.fury.io/py/tensorwaves.svg)](https://pypi.org/project/tensorwaves)
+[![Conda package](https://anaconda.org/conda-forge/tensorwaves/badges/version.svg)](https://anaconda.org/conda-forge/tensorwaves)
+[![Supported Python versions](https://img.shields.io/pypi/pyversions/tensorwaves)](https://pypi.org/project/tensorwaves)
+
 [![Binder](https://static.mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/ComPWA/tensorwaves/stable?filepath=docs/usage)
 [![Google Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ComPWA/tensorwaves/blob/stable)
 [![Open in Visual Studio Code](https://open.vscode.dev/badges/open-in-vscode.svg)](https://open.vscode.dev/ComPWA/tensorwaves)
 [![GitPod](https://img.shields.io/badge/Gitpod-ready--to--code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/ComPWA/tensorwaves)
-[![PyPI package](https://badge.fury.io/py/tensorwaves.svg)](https://pypi.org/project/tensorwaves)
-[![Supported Python versions](https://img.shields.io/pypi/pyversions/tensorwaves)](https://pypi.org/project/tensorwaves)
-[![Checked with mypy](http://www.mypy-lang.org/static/mypy_badge.svg)](https://mypy.readthedocs.io)
+
+[![Documentation build status](https://readthedocs.org/projects/tensorwaves/badge/?version=latest)](https://tensorwaves.readthedocs.io)
+[![pre-commit.ci status](https://results.pre-commit.ci/badge/github/ComPWA/tensorwaves/main.svg)](https://results.pre-commit.ci/latest/github/ComPWA/tensorwaves/main)
 [![pytest](https://github.com/ComPWA/tensorwaves/workflows/pytest/badge.svg)](https://github.com/ComPWA/tensorwaves/actions?query=branch%3Amain+workflow%3Apytest)
+[![Checked with mypy](http://www.mypy-lang.org/static/mypy_badge.svg)](https://mypy.readthedocs.io)
 [![Test coverage](https://codecov.io/gh/ComPWA/tensorwaves/branch/main/graph/badge.svg)](https://codecov.io/gh/ComPWA/tensorwaves)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/db8f89e5588041d8a995968262c224ef)](https://www.codacy.com/gh/ComPWA/tensorwaves)
-[![pre-commit.ci status](https://results.pre-commit.ci/badge/github/ComPWA/tensorwaves/main.svg)](https://results.pre-commit.ci/latest/github/ComPWA/tensorwaves/main)
 [![Spelling checked](https://img.shields.io/badge/cspell-checked-brightgreen.svg)](https://github.com/streetsidesoftware/cspell/tree/master/packages/cspell)
 [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)

docs/install.md

@@ -1,15 +1,31 @@
 # Installation
 
-The fastest way of installing this package is through PyPI:
+[![PyPI package](https://badge.fury.io/py/tensorwaves.svg)](https://pypi.org/project/tensorwaves)
+[![Conda package](https://anaconda.org/conda-forge/tensorwaves/badges/version.svg)](https://anaconda.org/conda-forge/tensorwaves)
+[![Supported Python versions](https://img.shields.io/pypi/pyversions/tensorwaves)](https://pypi.org/project/tensorwaves)
+
+The fastest way of installing this package is through PyPI or Conda:
+
+:::{tabbed} PyPI
 
 ```shell
 python3 -m pip install tensorwaves
 ```
 
+::::
+
+:::{tabbed} Conda
+
+```shell
+conda install -c conda-forge tensorwaves
+```
+
+:::
+
 This installs the
-[latest, stable release](https://pypi.org/project/tensorwaves) that you can
-find on the [`stable`](https://github.com/ComPWA/tensorwaves/tree/stable)
-branch.
+[latest, stable release](https://github.com/ComPWA/tensorwaves/releases) that
+you can find on the
+[`stable`](https://github.com/ComPWA/tensorwaves/tree/stable) branch.
 
 The latest version on the
 [`main`](https://github.com/ComPWA/tensorwaves/tree/main) branch can be