Readme file enhancement (#1)

* doc: rename licence file

* Improving the first draft of the README file

* Fix Conda repository naming

Co-authored-by: Antoine DECHAUME <antoine.dechaume@c-s.fr>

README.md

@@ -1,5 +1,49 @@
-Pytest-executable
-=================
+# Pytest-executable
 
-A pytest plugin for testing executables.
-For more informations, please read the [documentation](https://pytest-executable.readthedocs.io/en/latest).
+`pytest-executable` is a [pytest](https://docs.pytest.org/en/latest/) plugin
+for checking and validating executables. This project is still young, but
+already used in a professional environment.
+
+## Documentation
+
+The project documentation is available
+[online](https://pytest-executable.readthedocs.io/en/latest) (or in the
+[`doc`](doc) directory of the repository if you are fluent in
+reStructuredText).
+
+## Installation and Usage
+
+A `pytest-executable` package will soon be available in the Conda-Forge and
+PyPi repositories (just a matter of free time). In the meantime, you can get
+`pytest-executable` by cloning the project repository on Github:
+
+```bash
+git clone https://github.com/CS-SI/pytest-executable.git
+```
+
+The components required for `pytest-executable` and how to install them are
+described in the
+[documentation](https://pytest-executable.readthedocs.io/en/latest/installation.html).
+
+## Contributing
+
+A contributing guide will be soon available (once again, just a matter of free
+time).
+
+Please fill an issue on the
+[Github issue tracker](https://github.com/CS-SI/pytest-executable/issues) for
+any bug report, feature request or question.
+
+## Authors
+
+* **[Antoine Dechaume](https://github.com/AntoineD)** - *Project creator and maintainer*
+
+## Copyright and License
+
+Copyright 2020, [CS GROUP](http://www.csgroup.eu)
+
+`pytest-executable` is a free and open source software, distributed under the
+Apache License 2.0. See the [`LICENSE.txt`](LICENSE.txt) file for more
+information, or the
+[quick summary](https://tldrlegal.com/license/apache-license-2.0-(apache-2.0)) of
+this license on [tl;drLegal](https://tldrlegal.com/) website.