Adding a easy install and contribution section to README.md

Author: disouzaleo

README.md

@@ -15,3 +15,43 @@ locale-and-unicode aware. :)
 Want to learn more? [Read the documentation](http://turicas.info/rows) (or
 build and browse the docs locally by running `make docs-serve` after installing
 `requirements-development.txt`).
+
+## Installation
+
+The easiest way to getting the hands dirty is install rows, using 
+pip.
+
+### [PyPI][pypi-rows]
+
+```bash
+pip install rows
+```
+
+For another ways to instal refer to the Installation section [documentation][install-docs].
+
+
+## Contribution start guide
+
+The preferred way to start contributing for the project is creating a virtualenv (you can do by using virtualenv,
+virtualenvwrapper, pyenv or whatever tool you'd like).
+
+Create the virtualenv:
+
+```bash
+mkvirtualenv rows
+```
+
+Install all plugins' dependencies:
+
+```bash
+pip install --editable .[all]
+```
+
+Install development dependencies:
+
+```bash
+pip install -r requirements-development.txt
+```
+
+[pypi-rows]: https://pypi.org/project/rows/
+[install-docs]: https://turicas.info/rows/installation