Add Debug derives everywhere (#86)

* style: derive "Debug" on all structs

At least all i have seen that dont have it yet.

* fix(printer::PrinterType): derive "Clone" & "Copy"

* fix(config::Config): derive "Clone"

Author: hasezoey

src/config.rs

@@ -1,6 +1,7 @@
 use crate::utils;
 
 /// Configuration struct to customize printing behaviour.
+#[derive(Debug, Clone)]
 pub struct Config {
     /// Enable true transparency instead of checkerboard background.
     /// Available only for the block printer. Defaults to false.

src/printer/block.rs

@@ -16,6 +16,7 @@ const LOWER_HALF_BLOCK: &str = "\u{2584}";
 const CHECKERBOARD_BACKGROUND_LIGHT: (u8, u8, u8) = (153, 153, 153);
 const CHECKERBOARD_BACKGROUND_DARK: (u8, u8, u8) = (102, 102, 102);
 
+#[derive(Debug)]
 pub struct BlockPrinter;
 
 impl Printer for BlockPrinter {

src/printer/icy_sixel.rs

@@ -2,6 +2,7 @@ use super::{adjust_offset, find_best_fit, Printer};
 use icy_sixel::sixel_string;
 use image::{imageops::FilterType, GenericImageView};
 
+#[derive(Debug)]
 pub struct IcySixelPrinter;
 
 impl Printer for IcySixelPrinter {

src/printer/iterm.rs

@@ -13,6 +13,7 @@ use std::{
 };
 
 #[allow(non_camel_case_types)]
+#[derive(Debug)]
 pub struct iTermPrinter;
 
 static ITERM_SUPPORT: LazyLock<bool> = LazyLock::new(check_iterm_support);

src/printer/kitty.rs

@@ -8,6 +8,7 @@ use std::io::Write;
 use std::sync::LazyLock;
 use tempfile::NamedTempFile;
 
+#[derive(Debug)]
 pub struct KittyPrinter;
 
 const TEMP_FILE_PREFIX: &str = ".tty-graphics-protocol.viuer.";

src/printer/mod.rs

@@ -59,6 +59,7 @@ pub trait Printer {
 }
 
 #[allow(non_camel_case_types)]
+#[derive(Debug, Clone, Copy)]
 pub enum PrinterType {
     Block,
     Kitty,

src/printer/sixel.rs

@@ -6,6 +6,7 @@ use sixel_rs::encoder::{Encoder, QuickFrameBuilder};
 use sixel_rs::optflags::EncodePolicy;
 use std::io::Write;
 
+#[derive(Debug)]
 pub struct SixelPrinter;
 
 impl Printer for SixelPrinter {