Add documentation to setup development environment

.python-version

+odoo-somconnexio-python-client

README.md

@@ -163,6 +163,25 @@ Create a class that expose a dict objecti with the next structure:
 
 ## Development
 
+### Setup environment
+
+1. Install `pyenv`
+```sh
+curl https://pyenv.run | bash
+```
+2. Build the Python version
+```sh
+pyenv install  3.8.13
+```
+3. Create a virtualenv
+```sh
+pyenv virtualenv 3.8.13 odoo-somconnexio-python-client
+```
+4. Install dependencies
+```sh
+pyenv exec pip install -r requirements-dev.txt
+```
+
 ### Test the HTTP request
 
 We are using the HTTP recording plugin of Pytest: [pytest-recording](https://pytest-vcr.readthedocs.io/).

requirements-dev.txt

+tox==3.25.0
+requests==2.27.1
 mock==4.0.3
 unittest2==1.1.0
 pytest==6.2.5