Update README.md

Author: Ryhon0

README.md

@@ -15,13 +15,60 @@ GUI and TUI music player with support for multiple streaming services.
 | Spotify | Audio is downloaded with youtube-dl's `ytsearch:` feature |
 | SoundCloud | |
 
-## Dependencies
-* DUB and D compiler (prefarably LDC2)
+## Building and installing
+### Installing
+xp is available on the AUR, to install it, use the following command:
+```sh
+yay -S xp-git yt-dlp yt-dlp-drop-in
+```
+To run it, run the following command in the terminal:
+```sh
+# For terminal interface
+xp tui
+
+# For gtk4 interface
+xp
+```
+For other platforms, refer to the build instructions below.
+
+### Building
+The following dependencies are required for building:
+* DUB and D compiler (prefarably LDC2)  
+
+The following runtime dependencies are required:
 * SDL2_mixer
 * gtk4 and libadwaita
 * yt-dlp/youtube-dl
 * ffmpeg or avconv
 * taglib (taglib_c)
 * dbus
 * sqlite3
-* libmodest
+* modest
+
+Commands to install these packages for select platforms:
+```sh
+# Arch Linux
+
+# Build dependencies
+sudo pacman -S dub ldc
+# Runtime dependencies
+sudo pacman -S liblphobos dbus sdl2_mixer gtk4 libadwaita youtube-dl ffmpeg taglib dbus sqlite3 modest
+```
+<!--
+currently not supported due to lack of modest
+```sh
+# Ubuntu 22.04
+
+# Build
+sudo apt-get install ldc dub
+# Runtime
+sudo apt-get install libphobos2-ldc-shared98 libsdl2-mixer-2.0-0 libgtk-4-1 libadwaita-1-0 ffmpeg youtube-dl libtag1v5 sqlite dbus
+```
+-->
+Building the program:
+```sh
+git clone https://github.com/Ryhon0/xp
+cd xp
+dub build -b release
+strip xp
+```