Step-by-Step Installation Instructions for Ubuntu

Added Step-by-Step installation instructions to install Syng on Ubuntu, by popular demand.

docs/Client-Installation-Ubuntu.md

@@ -6,13 +6,16 @@ You can download it from [ubuntu.com](https://ubuntu.com/download/desktop).
 
 ## Install Dependencies
 
+Open a Terminal in the folder you want to install Syng in: right click in Nautilus (the file manager) and select *Open in Terminal*.
+
 __Python 3__ and __Git__ should already be installed on your system.
-You also need [mpv](https://mpv.io/) (for playing audio and videos) and [yt-dlp](https://github.com/yt-dlp/yt-dlp) (for downloading videos from YouTube).
+You also need [pipx](https://github.com/pypa/pipx) (for installing Poetry) [mpv](https://mpv.io/) (for playing audio and videos) and [yt-dlp](https://github.com/yt-dlp/yt-dlp) (for downloading videos from YouTube).
 
 Install dependencies:
 ```
+sudo add-apt-repository universe
 sudo apt update
-sudo apt install mpv yt-dlp
+sudo apt install pipx mpv yt-dlp
 ```
 
 [Poetry](https://python-poetry.org/) is recommended for managing the installation.
@@ -23,8 +26,6 @@ pipx install poetry
 
 ## Clone Repository
 
-Open a Terminal in the folder you want to install Syng in: right click in Nautilus (the file manager) and select *Open in Terminal*.
-
 Clone the repository:
 ```
 git clone https://git.k-fortytwo.de/christofsteel/syng2.git