documentation for Kitty Terminal Emulator (#2461)

* Update: document Kitty Terminal Emulator

I'd like to apologize in advance for possible mistakes or awkward
english in my documentation.

* Fix: typo on line 39 (kitty.md)

Author: webgtx

docs/desktop/tools/images/kitty_tabs.png

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+---
+title: Installing the Kitty terminal emulator 
+author: Alex Zolotarov 
+contributors: Steven Spencer
+tested with: 9
+---
+
+## Introduction
+
+**Kitty is a blazing fast terminal emulator on steroids**, anything you can possibly imagine is customizable in Kitty.
+You can utilize tab management, tilling, image previews, and many more just within this terminal emulator. 
+You can basically replace tmux or even a Window Manager with **Kitty** (if you work mostly within a terminal).
+
+## Assumptions
+
+- You have a Rocky Linux workstation or server with GUI
+- You are an administration with `sudo` privileges
+
+## Installing Kitty
+
+**First, install the EPEL repository (Extra Packages for Enterprise Linux):**
+
+```bash
+dnf install -y epel-release
+```
+
+Next, install **Kitty** 
+
+```bash
+dnf install -y kitty
+```
+
+And there you have it. Now, you can start Kitty.
+
+## Quick Overview
+
+### Configuration File
+
+Once you have started **Kitty** you can open Kitty configuration file with `Control`+`Shift`+`F2`. 
+Alternatively, you can find configuration file at `$HOME/.config/kitty`.
+
+We are not going to go deep into configuration file itself, just keep in mind that you can change any default shortcuts, or anything related to the appearance.
+
+### Tabs
+
+You can create a new tab with `Control`+`Shift`+`T`.
+
+You can close a tab with `Control`+`Shift`+`W`*or*`Q`
+
+You can select tabs with `Control`+`Shift`+`[Arrow Keys]`
+
+![kittytabs](./images/kitty_tabs.png)
+
+### Tilling
+
+Press `Control`+`Shift`+`Enter` to open a new pane/window.
+You can press it multiple times to create a tilling layout. 
+
+You can switch layouts with `Control`+`Shift`+`L`.
+
+You can select windows/panes with `Control`+`Shift`+`[`*or*`]`.
+Alternatively, you can just click on the pane/window with your mouse.
+
+![kittytilling](./images/kitty_tilling.png)
+
+## Conclusion
+
+Kitty offers a lot of features out of the box.
+If you already have configured window manager, zsh, or tmux on your workstation.
+You probably don't really need Kitty if you are not willing to reconfigure everything from scratch.
+Consider the fact that you can combine zsh shortcuts, tmux tilling, and many wm features just in one terminal emulator.
+But if you haven't tried any of these powertools yet, **author** would definitely recommend you to start with Kitty.