Provide a decent README

Author: peltho

README.md

@@ -1,6 +1,23 @@
-# tufw
+# Terminal UI for ufw
+This go package provides a terminal user interface for `ufw`.
 
-A terminal UI for `ufw`
+![Screenshot](preview.gif)
+
+It allows you to add, edit or remove rules in a fancy way which is ideal when you're not familiar with `ufw` command.
+
+> Be sure to run it as root otherwise it won't work.
+
+## Installation
+```
+go install github.com/peltho/tufw@latest
+```
+
+## Dependencies
+This package is based on [rivo/tview](https://github.com/rivo/tview) (and its dependencies).
+
+## Troubleshooting
+Add your issue here on Github if you spot an unwanted behavior.
+Feel free to get in touch if you have any questions.
 
 ## Licence
 [MIT](https://github.com/peltho/tufw/blob/main/LICENSE.txt)