Moved cli in its own module and added color

on-host/src/cli.rs

+use std::path::PathBuf;
+
+use clap::{
+    builder::{
+        styling::{AnsiColor, Color, Style},
+        Styles,
+    },
+    Parser,
+};
+
+#[derive(Debug, Parser)]
+#[command(styles=get_styles())]
+pub struct Cli {
+    /// The serial port to use
+    #[clap(short, long, value_name = "PORT")]
+    pub port: Option<String>,
+
+    /// The input csv file to read from
+    pub csv_input: PathBuf,
+
+    /// baud rate
+    #[clap(short, long, default_value = "115200")]
+    pub baud_rate: u32,
+}
+
+pub fn get_styles() -> Styles {
+    Styles::styled()
+        .usage(
+            Style::new()
+                .bold()
+                .underline()
+                .fg_color(Some(Color::Ansi(AnsiColor::Yellow))),
+        )
+        .header(
+            Style::new()
+                .bold()
+                .underline()
+                .fg_color(Some(Color::Ansi(AnsiColor::Yellow))),
+        )
+        .literal(Style::new().fg_color(Some(Color::Ansi(AnsiColor::Green))))
+        .invalid(
+            Style::new()
+                .bold()
+                .fg_color(Some(Color::Ansi(AnsiColor::Red))),
+        )
+        .error(
+            Style::new()
+                .bold()
+                .fg_color(Some(Color::Ansi(AnsiColor::Red))),
+        )
+        .valid(
+            Style::new()
+                .bold()
+                .underline()
+                .fg_color(Some(Color::Ansi(AnsiColor::Green))),
+        )
+        .placeholder(Style::new().fg_color(Some(Color::Ansi(AnsiColor::White))))
+}

on-host/src/main.rs

+mod cli;
 mod packet;
 mod utils;
 
 use std::{
     fs::File,
     io::{self, Read},
-    path::PathBuf,
     time::{Duration, Instant},
 };
 
@@ -17,26 +17,13 @@ use skyward_mavlink::{
 };
 
 use crate::{
+    cli::Cli,
     packet::PacketSequence,
     utils::{get_first_stm32_serial_port, print_stats},
 };
 
 const ACK: u8 = 0x06;
 
-#[derive(Debug, Parser)]
-struct Cli {
-    /// The serial port to use
-    #[clap(short, long, value_name = "PORT")]
-    port: Option<String>,
-
-    /// The input csv file to read from
-    csv_input: PathBuf,
-
-    /// baud rate
-    #[clap(short, long, default_value = "115200")]
-    baud_rate: u32,
-}
-
 fn main() {
     simple_logger::SimpleLogger::new()
         .with_level(log::LevelFilter::Info)