docs: Convert README to markdown

pandoc 2.14, prettier 2.3.1, myst-parser 0.15.0

executablebooks/MyST-Parser#388 (comment)

pandoc --from rst --to gfm README.rst --markdown-headings=atx | \
	sed s/"<"/"\("/g | sed s/">"/"\)"/g | \
	sed s/"-   "/"- "/g > tmp; mv tmp README.md

prettier --parser=markdown -w README.md

Inside of docs/index.md:

```{include} ../README.md
```

See also: executablebooks/MyST-Parser#388 (comment)

Author: tony

README.md

@@ -0,0 +1,81 @@
+`libvcs` - abstraction layer for vcs, powers
+[vcspull](https://www.github.com/vcs-python/vcspull/).
+
+[![Python Package](https://img.shields.io/pypi/v/libvcs.svg)](http://badge.fury.io/py/libvcs)
+[![Docs](https://github.com/vcs-python/libvcs/workflows/Publish%20Docs/badge.svg)](https://github.com/vcs-python/libvcs/actions?query=workflow%3A%22Publish+Docs%22)
+[![Build Status](https://github.com/vcs-python/libvcs/workflows/tests/badge.svg)](https://github.com/vcs-python/libvcs/actions?query=workflow%3A%22tests%22)
+[![Code Coverage](https://codecov.io/gh/vcs-python/libvcs/branch/master/graph/badge.svg)](https://codecov.io/gh/vcs-python/libvcs)
+![License](https://img.shields.io/github/license/vcs-python/libvcs.svg)
+
+# Setup
+
+```sh
+$ pip install libvcs
+```
+
+Open up python:
+
+```sh
+$ python
+
+# or for nice autocomplete and syntax highlighting
+$ pip install ptpython
+$ ptpython
+```
+
+# Usage
+
+Create a
+[Repo](https://libvcs.git-pull.com/api.html#creating-a-repo-object)
+object of the project to inspect / checkout / update:
+
+```python
+>>> from libvcs.shortcuts import create_repo_from_pip_url, create_repo
+
+# repo is an object representation of a vcs repository.
+>>> r = create_repo(url='https://www.github.com/vcs-python/libtmux',
+...                 vcs='git',
+...                 repo_dir='/tmp/libtmux')
+
+# or via pip-style URL
+>>> r = create_repo_from_pip_url(
+...         pip_url='git+https://www.github.com/vcs-python/libtmux',
+...         repo_dir='/tmp/libtmux')
+```
+
+Update / clone repo:
+
+```python
+# it may or may not be checked out/cloned on the system yet
+>>> r.update_repo()
+```
+
+Get revision:
+
+```python
+>>> r.get_revision()
+u'5c227e6ab4aab44bf097da2e088b0ff947370ab8'
+```
+
+# Donations
+
+Your donations fund development of new features, testing and support.
+Your money will go directly to maintenance and development of the
+project. If you are an individual, feel free to give whatever feels
+right for the value you get out of the project.
+
+See donation options at <https://www.git-pull.com/support.html>.
+
+# More information
+
+- Python support: Python 2.7, >= 3.4, pypy
+- VCS supported: git(1), svn(1), hg(1)
+- Source: <https://github.com/vcs-python/libvcs>
+- Docs: <https://libvcs.git-pull.com>
+- Changelog: <https://libvcs.git-pull.com/history.html>
+- API: <https://libvcs.git-pull.com/api.html>
+- Issues: <https://github.com/vcs-python/libvcs/issues>
+- Test Coverage: <https://codecov.io/gh/vcs-python/libvcs>
+- pypi: <https://pypi.python.org/pypi/libvcs>
+- Open Hub: <https://www.openhub.net/p/libvcs>
+- License: [MIT](https://opensource.org/licenses/MIT).

README.rst

@@ -2,9 +2,7 @@
 
 # libvcs - vcs abstraction layer
 
-```{eval-rst}
-.. include:: ../README.rst
-    :start-line: 3
+```{include} ../README.md
 ```
 
 ## Table of contents

docs/index.md

@@ -26,7 +26,7 @@ classifiers = [
   "Topic :: System :: Shells"
 ]
 homepage = "http://github.com/vcs-python/libvcs/"
-readme = "README.rst"
+readme = "README.md"
 
 [tool.poetry.urls]
 "Bug Tracker" = "https://github.com/vcs-python/libvcs/issues"