feat: add del command

Relates to #16

src/args.rs

@@ -30,6 +30,9 @@ pub(crate) enum Commands {
     /// Print the current song
     #[command()]
     Current,
+    /// Print the current song
+    #[command()]
+    Del { position: Option<u32> },
 
     //
     // playback related commands

src/client.rs

@@ -244,6 +244,20 @@ impl Client {
         self.current_status()
     }
 
+    pub fn del(
+        &mut self,
+        position: Option<u32>,
+    ) -> eyre::Result<Option<String>> {
+        let postion = match position {
+            Some(position) => position,
+            None => self.status()?.position,
+        };
+
+        self.client.delete(postion)?;
+
+        self.current_status()
+    }
+
     //
     // playback related commands
     //

src/main.rs

@@ -24,6 +24,7 @@ fn main() {
 
     let result = match args.command {
         Some(Commands::Crop) => mpd.crop(),
+        Some(Commands::Del { position }) => mpd.del(position),
         Some(Commands::Current) => mpd.current(),
         Some(Commands::Play) => mpd.play(),
         Some(Commands::Next) => mpd.next(),