mod: simplify Container and Element creation with updated zterm behavior

src/main.zig

@@ -28,22 +28,31 @@ pub fn main() !void {
         // skip own executable name
         _ = arg_it.skip();
     }
+    // tui creation
+    errdefer |err| log.err("Application Error: {any}", .{err});
 
     var threaded_io: std.Io.Threaded = .init(allocator);
     errdefer threaded_io.deinit();
     const io = threaded_io.io();
-    errdefer |err| log.err("Application Error: {any}", .{err});
 
     var renderer = zterm.Renderer.Buffered.init(allocator);
     defer renderer.deinit();
 
     var app: App = .init(io, .init);
 
-    var root = try tui_diff.Container(App, allocator);
+    var element_root: tui_diff.elements.Root(App) = .init;
+    var element_tree: tui_diff.elements.Tree(App) = .init;
+    var changes: [3]tui_diff.elements.Change(App) = @splat(.init);
+    var scrollable_diffs = try tui_diff.elements.Diff(App, allocator, &changes);
+    // NOTE scrollable should provide deinit function (*zterm*)
+    // -> `Container` of `Scrollable` does not pass through the `minSize` request to its children!
+
+    var root = try tui_diff.Container(App, allocator, &element_root, &element_tree, &scrollable_diffs);
     defer root.deinit(); // also de-initializes the children
 
     try app.start();
     defer app.stop() catch |err| log.err("Failed to stop application: {any}", .{err});
+    // defer app.model.deinit();
 
     // event loop
     loop: while (true) {