Add support to export qlie dpng image to psd

src/args.rs

@@ -652,6 +652,10 @@ pub struct Arg {
     /// Whether to use PNG file directly for Qlie DPNG images when importing.
     /// Enable this will disable reencoding PNG files. Useful when the PNG files are already optimized by other tools.
     pub qlie_dpng_use_raw_png: bool,
+    #[cfg(feature = "qlie-img")]
+    #[arg(long, global = true, action = ArgAction::SetTrue)]
+    /// Export Qlie DPNG images as PSD files.
+    pub qlie_dpng_psd: bool,
     #[command(subcommand)]
     /// Command
     pub command: Command,