docs(README): updated README

README.md

@@ -2,13 +2,39 @@
 
 A practical application runner written in Rust. Inspired by [dmenu](https://tools.suckless.org/dmenu/)
 
+
+### Screenshots
 ![Screenshot 1](screenshots/screenshot-1716407683.webp)
 ![Screenshot 2](screenshots/screenshot-1716407811.webp)
 ![Screenshot 3](screenshots/screenshot-1716408039.webp)
 
+
 ### Features
 - theming (colors, font family, font size, line spacing, window border)
 - custom row count
 - smart row scrolling
 - prompt message
 - open menu on a specific display
+
+
+### Installation
+To use practical-runner clone this repository and run the following command in the repository's root directory.
+```console
+cargo install --path .
+```
+
+
+### Usage
+```console
+practicalrunner
+```
+For information about the various arguments run the following command:
+```console
+practicalrunner --help
+```
+
+
+### Controls
+- [enter] to run the selected suggestion
+- [up] / [down] arrow to scroll the suggestions
+- [escape] / [ctrl-c] to quit