chore: remove Button.zig

src/Button.zig

···
-const vaxis = @import("vaxis");
-
-const Button = @This();
-
-label: []const u8,
-style: vaxis.Style = .{},
-
-pub fn draw(self: Button, win: vaxis.Window) !void {
-    win.fill(.{
-        .char = .{
-            .grapheme = " ",
-            .width = 1,
-        },
-        .style = self.style,
-    });
-    const label_width = win.gwidth(self.label);
-    const label_win = vaxis.widgets.alignment.center(win, label_width, 1);
-    _ = try label_win.print(&.{.{ .text = self.label, .style = self.style }}, .{});
-}
-
-pub fn clicked(_: Button, win: vaxis.Window, mouse: ?vaxis.Mouse) bool {
-    if (win.hasMouse(mouse)) |m| {
-        return m.button == .left and m.type == .press;
-    }
-    return false;
-}