Added more istructions

.gitignore

@@ -11,9 +11,10 @@ dist/
 __pycache__/
 
 # Tests
-.coverage
+.coverage*
 coverage/
 .pytest_cache/
+test.json
 
 # Other
 .vscode

README.md

@@ -50,6 +50,43 @@ Download the latest release in .tar.gz or .whl format and simply use pip install
 pip install PyCTBN-2.2.tar.gz
 ```
 
+## Develop
+
+**Prerequisites:**
+
++ `python3` (_>=3.6_)
++ `python3-setuptools`
++ `python3-pip`
++ `python3-venv` (_optional_)
+
+_Create_ the **_virtual environment_** in the project's folder:
+
+```sh
+python3 -m venv venv
+```
+
+Or if oyu wanna use the `virtualenv` package:
+
+```sh
+virtualenv -p python3 venv
+```
+
+_Activate_ the virtual environment:
+
+```sh
+source venv/bin/activate
+```
+
+_Prepare_ the development environment:
+
+```sh
+./setup.py develop
+```
+
+That's all! ☕️
+
+> **Tip:** To deactivate the **_virtual environment_** simply issue the `deactivate` command.
+
 ## Testing & Linting
 
 Install these dependencies for **tesing**: