Add components folder to installation and docs. First component is hi…

…fiberry sound card

documentation/builders/components/Readme.md

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+# Phoniebox components directory
+
+* [Hifberry](./hifiberry.md)

documentation/builders/components/hifiberry.md

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+# HiFiBerry
+
+## Automatic setup
+
+Use this install script to enable your HiFiBerry board.
+
+```
+$ cd; cd ~/RPi-Jukebox-RFID/installation/components && chmod +x setup-hifiberry.sh && sudo ./setup_hifiberry.sh
+```
+
+## Manual steps to enable sound through HiFiBerry board
+
+1. Make sure your onboard sound of your Raspberry Pi is disabled. Check `/boot/config.txt`. The installation
+
+    ```
+    dtparam=audio=off
+    ```
+
+2. Run the following command to enable HiFiBerry boards.
+
+    ```
+    echo "dtoverlay=hifiberry-dac" | sudo tee -a /boot/config.txt
+    ```
+
+3. Enable volume control. Create or edit the following file: `sudo vi /etc/asound.conf`
+
+    ```
+    pcm.hifiberry {
+        type softvol
+        slave.pcm "plughw:0"
+        control.name "HifiBerry"
+        control.card 0
+    }
+
+    pcm.!default {
+        type plug
+        slave.pcm "hifiberry"
+    }
+    ```
+
+4. Restart your device.

installation/components/setup_hifiberry.sh

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+#!/bin/bash
+
+# Check if the script is run as root
+if [ "$(id -u)" != "0" ]; then
+   echo "This script must be run as root" 1>&2
+   exit 1
+fi
+
+# Disable onboard sound of Raspberry Pi
+echo "Disabling onboard sound..."
+sed -i '/dtparam=audio=on/c\dtparam=audio=off' /boot/config.txt
+
+# Enable HiFiBerry board
+echo "Enabling HiFiBerry board..."
+grep -qxF 'dtoverlay=hifiberry-dac' /boot/config.txt || echo 'dtoverlay=hifiberry-dac' >> /boot/config.txt
+
+# Backup asound.conf
+if [ -f /etc/asound.conf ]; then
+    echo "Backing up existing asound.conf..."
+    cp /etc/asound.conf "/etc/asound.conf.backup.$(date +%Y%m%d%H%M%S)"
+fi
+
+echo "Configuring sound settings..."
+cat > /etc/asound.conf << EOF
+pcm.hifiberry {
+    type softvol
+    slave.pcm "plughw:0"
+    control.name "HifiBerry"
+    control.card 0
+}
+
+pcm.!default {
+    type plug
+    slave.pcm "hifiberry"
+}
+EOF
+
+echo "Configuration complete. Please restart your device."