frontend: the advoware GUI

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

frontend/examples/minimal.rs

@@ -0,0 +1,17 @@
+use orbtk::prelude::*;
+
+fn main() {
+    // use this only if you want to run it as web application.
+    orbtk::initialize();
+
+    Application::new()
+        .window(|ctx| {
+            Window::create()
+                .title("OrbTk - minimal example")
+                .position((100.0, 100.0))
+                .size(420.0, 730.0)
+                .child(TextBlock::create().text("OrbTk").margin(4.0).build(ctx))
+                .build(ctx)
+        })
+        .run();
+}