Add instructions for zooming and such to help page

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Unreleased
 
+# v0.4.1
+
+- Add instructions for using new zoom/pan features to help page
+
 # v0.4.0
 
 - Update to new `kittage` backend for kitty-protocol-supporting terminals (fixes many issues and improves performance significantly, see [the PR](https://github.com/itsjunetime/tdf/pull/74))

src/tui.rs

@@ -18,8 +18,8 @@ use ratatui::{
 	layout::{Constraint, Flex, Layout, Position, Rect},
 	style::{Color, Style},
 	symbols::border,
-	text::{Span, Text},
+	text::Span,
-	widgets::{Block, Borders, Clear, Padding}
+	widgets::{Block, Borders, Clear, Padding, Paragraph, Wrap}
 };
 use ratatui_image::{FontSize, Image};
 
@@ -830,7 +830,7 @@ impl Tui {
 			.border_set(border::ROUNDED)
 			.border_style(Color::Blue);
 
-		let help_span = Text::raw(HELP_PAGE);
+		let help_span = Paragraph::new(HELP_PAGE).wrap(Wrap { trim: false });
 
 		let max_w: u16 = HELP_PAGE
 			.lines()
@@ -878,6 +878,12 @@ i:
     Invert colors
 f:
     Remove borders/fullscreen
+z (when using kitty protocol):
+    Toggle between fill-screen and fit-screen
+o/O (when on fill-screen):
+    zoom in and out, respectively
+H, J, K, L (when zoomed in):
+    pan direction around page
 ?:
     Show this page
 ctrl+z: