feat(arch): put batsignal under dunst guide

Signed-off-by: chris1320 <chris1320is@protonmail.com>

Operating Systems/Arch Linux/Contents/Manual Customization.md

@@ -43,7 +43,7 @@ git lfs pull          # Download LFS files
 
 ## Custom Fonts and Icons
 
-We are going to use the following fonts and icons, so it's best to install it now.
+We are going to use the following fonts and icons, so it's best to install them now.
 
 - **Primary Fonts**: `ttf-jetbrains-mono-nerd ttf-noto-nerd noto-fonts-cjk ttf-opensans noto-fonts otf-apple-fonts`
 - **Primary Icons**: `papirus-icon-theme papirus-folders-catppuccin-git`
@@ -65,12 +65,11 @@ paru -Syu ttf-jetbrains-mono-nerd ttf-noto-nerd noto-fonts-cjk \
 Install these packages to ensure that the system will work properly.
 
 ```bash
-paru -S acpid avahi batsignal dkms net-tools
+paru -S acpid avahi dkms net-tools
 systemctl enable \
     acpid.service \
     avahi-daemon.service \
     systemd-timesyncd.service
-systemctl --user enable batsignal.service
 ```
 
 ### Input Devices
@@ -441,6 +440,16 @@ mkdir -p ~/.config/dunst
 cp ./dotfiles/dunst/dunstrc ~/.config/dunst/dunstrc
 ```
 
+### Battery Level Notifications
+
+To enable battery level notifications, install `batsignal`, copy its dotfiles to its designated directory, and enable the service.
+
+```bash
+paru -S batsignal
+cp -r ~/Temp/ArchLinuxDotfiles/batsignal ~/.config/batsignal
+systemctl --user enable batsignal.service
+```
+
 ## Setting Up Rofi
 
 Rofi will be our launcher and interface for window switching, emoji panel, clipboard history panel, and much much more. Install it and copy its dotfiles to its designated locations.