Chore: hoist example projects for discoverability (#2959)

* hoist example projects, remove oidc

* move over example projects from the separate repo

* Update ecommerce site to the latest version of dioxus

* update wifi scanner to 0.5

* drop the chatbot example; might be restored in a separate PR

---------

Co-authored-by: Evan Almloff <evanalmloff@gmail.com>

example-projects/ecommerce-site/src/components/loading.rs

@@ -0,0 +1,32 @@
+use dioxus::prelude::*;
+
+#[component]
+pub(crate) fn ChildrenOrLoading(children: Element) -> Element {
+    rsx! {
+        head::Link {
+            rel: "stylesheet",
+            href: asset!("./public/loading.css")
+        }
+        SuspenseBoundary {
+            fallback: |context: SuspenseContext| {
+                rsx! {
+                    if let Some(placeholder) = context.suspense_placeholder() {
+                        {placeholder}
+                    } else {
+                        LoadingIndicator {}
+                    }
+                }
+            },
+            {children}
+        }
+    }
+}
+
+#[component]
+fn LoadingIndicator() -> Element {
+    rsx! {
+        div {
+            class: "spinner",
+        }
+    }
+}