Add support to export qlie dpng image to psd

src/types.rs

@@ -606,6 +606,9 @@ pub struct ExtraConfig {
     /// 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")]
+    /// Export Qlie DPNG images as PSD files.
+    pub qlie_dpng_psd: bool,
 }
 
 #[derive(Clone, Copy, Debug, ValueEnum, PartialEq, Eq, PartialOrd, Ord)]