MR-Template: Improve and beautify Merge Request template

## Description

// Describe what the MR bring

<!-- Describe the changes brought by the Merge Request (MR) -->

## Issue(s)

Closes #

## Test environment

- [ ] non regression test

## Test Environment

- [ ] Non-regression test

### Operating Systems

/!\ __Checked OS should at least be tested:__ /!\

- [ ] windows

- [ ] linux 

- [ ] MacOS _Not supported yet__

/!\ **Checked OS should at least be tested:** /!\

- [ ] Windows

- [ ] Linux 

- [ ] MacOS _Not supported yet_

/!\ __Checked devices should at least be tested:__ /!\

_If no device checked, then you can pick anyone from the list_

### Devices

/!\ **Checked devices should at least be tested:** /!\

_If no device is checked, then you can pick any from the list_

- [ ] GS290

- [ ] FP3

- [ ] herolte 

- [ ] hero2lte

## How to Setup

__HOW TO SETUP__

- Download build from latest pipeline of this MR

- Download the build from the latest pipeline of this MR

### windows

 - Extracted  Installer from the build downloaded

 - Double click on it

 - Follow the setup wizard

 - Start from shorcut in menu

### Windows

1. Extract the installer from the downloaded build

2. Double-click on it

3. Follow the setup wizard

4. Start from the shortcut in the menu

### linux with Snap

- You need to have snap available from your shell. 

### Linux with Snap

- Ensure Snap is available in your shell.

  - Debian/ubuntu based : 

    ```

  **Debian/Ubuntu based:**

  ```sh

  sudo apt install snapd

  ```

  - Fedora based : 

    ```

  **Fedora based:**

  ```sh

  sudo dnf install snapd

  ```

  - Arch linux based :

    ```

  **Arch Linux based:**

  ```sh

  yaourt -S snapd

  sudo systemctl enable --now snapd.socket

  ```

- Extract snap file to some location

- Open shell prompt and move to this location (using cd <your location>)

- run : `sudo snap install --dangerous <yourFile.snap>`. _Note: I have a doubt about sudo_

- run : `snap connect easy-installer:adb-support`

- run : `sudo snap connect easy-installer:raw-usb`

### Uninstall the easy-installer test build:

#### Windows:

- Open menu 

- Right click on easy-installer

- select uninstall

1. Extract the snap file to a chosen location

2. Open a shell prompt and navigate to this location (`cd <your location>`)

3. Run: 

    ```sh

    sudo snap install --dangerous <yourFile.snap>

    ```

    _Note: `sudo` might be needed_

4. Run: 

    ```sh

    snap connect easy-installer:adb-support

    ```

5. Run: 

    ```sh

    sudo snap connect easy-installer:raw-usb

    ```

Or remove it like any other software from uninstall settings menu.

### Uninstall the Easy-Installer Test Build

#### Linux:

- run `sudo snap remove easy-installer` in a shell

#### Windows

- Open the menu

- Right-click on Easy-Installer

- Select uninstall

## Test procedures

Or remove it like any other software from the uninstall settings menu.

#### Linux

- Run: 

    ```sh

    sudo snap remove easy-installer

    ```

//Describe the process to Follow

## Test Procedures

//Describe what should be checked

<!-- Describe the process to follow -->

<!-- Describe what should be checked -->

## Screenshots

// Screenshots which can help reviewer

<!-- Screenshots which can help the reviewer -->

## Checklist

- [ ] Self review

- [ ] Self-review

- [ ] Test procedure explained

- [ ] Tested on fresh install

- [ ] Tested applied as an update

- [ ] Tested as an update

- [ ] License

- [ ] Internal documentation

- [ ] User documentation

```

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