Add CLI flags to open windows at startup

src/config.rs

@@ -1,8 +1,43 @@
 use anyhow::Result;
+use clap::Parser;
 use egui::{Color32, Vec2};
 use serde::{Deserialize, Serialize};
 
 use crate::{emulator::SimId, persistence::Persistence, window::DisplayMode};
+use std::path::PathBuf;
+
+#[derive(Parser)]
+pub struct CliArgs {
+    /// The path to a virtual boy ROM to run.
+    pub rom: Option<PathBuf>,
+    /// Start a GDB/LLDB debug server on this port.
+    #[arg(short, long)]
+    pub debug_port: Option<u16>,
+    /// Enable profiling a game
+    #[arg(short, long)]
+    pub profile: bool,
+    /// Open character data window
+    #[arg(short, long)]
+    pub character_data: bool,
+    /// Open bgmap data window
+    #[arg(short, long)]
+    pub bgmap_data: bool,
+    /// Open object data window
+    #[arg(short, long)]
+    pub object_data: bool,
+    /// Open worlds window
+    #[arg(short, long)]
+    pub worlds: bool,
+    /// Open frame buffers window
+    #[arg(short, long)]
+    pub frame_buffers: bool,
+    /// Open registers window
+    #[arg(short, long)]
+    pub registers: bool,
+    /// Open terminal
+    #[arg(short, long)]
+    pub terminal: bool,
+}
 
 pub const COLOR_PRESETS: [[Color32; 2]; 3] = [
     [