examples: add PWA w/ Dioxus CLI template (#977)

* examples: add PWA w/ Dioxus CLI template

* ci: properly set workspace and dependencies

examples/PWA-example/src/main.rs

@@ -0,0 +1,20 @@
+use dioxus::prelude::*;
+
+fn main() {
+    // init debug tool for WebAssembly
+    wasm_logger::init(wasm_logger::Config::default());
+    console_error_panic_hook::set_once();
+
+    dioxus_web::launch(app);
+}
+
+fn app(cx: Scope) -> Element {
+    cx.render(rsx! (
+        div {
+            style: "text-align: center;",
+            h1 { "🌗 Dioxus 🚀" }
+            h3 { "Frontend that scales." }
+            p { "Dioxus is a portable, performant, and ergonomic framework for building cross-platform user interfaces in Rust." }
+        }
+    ))
+}