Add installation section

README.md

@@ -2,3 +2,24 @@
 
 A simple tool to send messages into [FreakWAN](https://github.com/antirez/sx1276-micropython-driver/)
 over Bluetooth low energy.
+
+**This is still a work in progress and it's not complete.**
+
+## Installation
+
+### Using pipx
+
+The best way to install freakble is using [pipx](https://pypa.github.io/pipx/):
+```console
+
+$ pipx install freakble
+
+```
+
+### Using pip
+
+```$
+
+$ python -m pip install freakble
+
+```