docs: add flatpak install

docs/articles/en/getting-started.md

@@ -3,15 +3,38 @@ Title: Getting Started
 Description: How to start using Apx on your system.
 PublicationDate: 2024-10-18
 Listed: true
-Authors: 
+Authors:
   - jardon
+  - NN708
 Tags:
   - getting-started
 ---
 
 Apx is designed to be a versatile, distro-agnostic tool that can be installed on any Linux distribution. Follow the steps below to get Apx up and running on your system.
 
-## Prerequisites
+## Install
+
+The easiest way to install both Apx CLI and GUI is through [Flatpak](https://flatpak.org/).
+
+[![Get it on Flathub](https://flathub.org/api/badge?svg&locale=en)](https://flathub.org/en/apps/org.vanillaos.ApxGUI)
+
+After installation, you can launch Apx GUI with the following command:
+
+```bash
+flatpak run org.vanillaos.ApxGUI
+```
+
+To use Apx CLI from the Flatpak package, run:
+
+```bash
+flatpak run --command=apx org.vanillaos.ApxGUI
+```
+
+## Build Manually
+
+### Apx CLI
+
+#### Prerequisites
 
 Before installing Apx, ensure you have the following software installed:
 
@@ -20,9 +43,7 @@ Before installing Apx, ensure you have the following software installed:
 3. **Podman or Docker**: Either container runtime is suitable, but Podman is recommended.
 4. **Make**: This utility is used for building and installing Apx.
 
-## Installation Procedure
-
-### Clone the Apx Repository
+#### Clone the Apx Repository
 
 Open your terminal and run the following commands to clone the repository and navigate into it:
 
@@ -31,32 +52,23 @@ git clone --recursive https://github.com/Vanilla-OS/apx.git
 cd apx
 ```
 
-### Build Apx
+#### Build Apx
 
 Compile Apx by executing:
 
 ```bash
 make build
 ```
 
-### Install Apx
+#### Install Apx
 
-To install Apx system-wide, run:
+To install Apx and the manual pages system-wide, run:
 
 ```bash
 sudo make install
-```
-
-### Install Apx Manpages
-
-For the manual pages, execute:
-
-```bash
 sudo make install-manpages
 ```
 
-## Custom Installation Destination
-
 You can change the installation prefix or destination using `PREFIX` and `DESTDIR`. Here are examples for custom installations:
 
 - **Install Apx to `~/.local`**:
@@ -67,16 +79,15 @@ You can change the installation prefix or destination using `PREFIX` and `DESTDI
   ```
 
 - **Install Apx to a separate root**:
+
   ```bash
   make install DESTDIR=$HOME/altroot
   make install-manpages DESTDIR=$HOME/altroot
   ```
 
-# Getting Started with Apx-GUI
+### Apx GUI
 
-Apx-GUI provides a graphical interface for managing your Apx installations. Follow the steps below to install Apx-GUI on your system.
-
-## Dependencies
+#### Dependencies
 
 Before you start, ensure you have the following dependencies installed:
 
@@ -94,9 +105,7 @@ sudo apt update
 sudo apt install build-essential meson libadwaita-1-dev gettext desktop-file-utils apx
 ```
 
-## Installation Procedure
-
-### Clone the Apx-GUI Repository
+#### Clone the Apx GUI Repository
 
 Open your terminal and run the following commands to clone the repository and navigate into it:
 
@@ -105,9 +114,9 @@ git clone https://github.com/Vanilla-OS/apx-gui.git
 cd apx-gui
 ```
 
-### Build Apx-GUI
+#### Build Apx GUI
 
-Once you have cloned the repository, build Apx-GUI by running:
+Once you have cloned the repository, build Apx GUI by running:
 
 ```bash
 meson setup build
@@ -116,20 +125,20 @@ ninja -C build
 
 > **NOTE:** you can set a custom installation destination by passing `--prefix=/path/to/dir` to `meson`
 
-### Install Apx-GUI
+#### Install Apx GUI
 
 After successfully building the application, install it with the following command:
 
 ```bash
 sudo ninja -C build install
 ```
 
-### Run Apx-GUI
+#### Run Apx GUI
 
-You can launch Apx-GUI using the following command:
+You can launch Apx GUI using the following command:
 
 ```bash
 apx-gui
 ```
 
-Follow these steps to successfully install and run Apx-GUI on your system. Enjoy managing your Apx installations with the graphical interface!
+Follow these steps to successfully install and run Apx GUI on your system. Enjoy managing your Apx installations with the graphical interface!