Method scroll_down

crates/opencode-tui/src/components/diff.rs:199–203

(&mut self, max: u16)

    }

    pub fn scroll_down(&mut self, max: u16) {
        if self.scroll_offset < max {
            self.scroll_offset += 1;
        }
    }

    pub fn render(&self, frame: &mut Frame, area: Rect, theme: &Theme) {
        if self.lines.is_empty() {