clean up files, parse arguments with clap

src/buffer/widget/address.rs

@@ -0,0 +1,16 @@
+use ratatui::{style::{Color, Style}, text::Span};
+
+pub fn render_address(address: usize) -> Span<'static> {
+	Span {
+		style: style_for_address(address),
+		content: format!("{address:08x}").into()
+	}
+}
+
+pub const fn style_for_address(address: usize) -> Style {
+	if address.is_multiple_of(0x100) {
+		Style::new().fg(Color::Rgb(0x68, 0x99, 0xA0))
+	} else {
+		Style::new().fg(Color::Rgb(0x8A, 0xBB, 0xC3))
+	}
+}