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>

examples/fullstack-streaming/.gitignore

@@ -0,0 +1,4 @@
+dist
+target
+static
+.dioxus

examples/fullstack-streaming/Cargo.toml

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+[package]
+name = "fullstack-streaming-example"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+dioxus = { workspace = true, features = ["fullstack"] }
+serde = "1.0.159"
+simple_logger = "4.2.0"
+tracing-wasm = "0.2.1"
+tracing.workspace = true
+tracing-subscriber = "0.3.17"
+futures = "0.3.30"
+tokio = { workspace = true, optional = true }
+futures-util.workspace = true
+once_cell = "1.19.0"
+
+[features]
+default = []
+server = ["dioxus/axum", "tokio"]
+web = ["dioxus/web"]

examples/fullstack-streaming/src/main.rs

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+use dioxus::prelude::*;
+use futures::StreamExt;
+use server_fn::codec::{StreamingText, TextStream};
+
+fn app() -> Element {
+    let mut response = use_signal(String::new);
+
+    rsx! {
+        button {
+            onclick: move |_| async move {
+                response.write().clear();
+                if let Ok(stream) = test_stream().await {
+                    response.write().push_str("Stream started\n");
+                    let mut stream = stream.into_inner();
+                    while let Some(Ok(text)) = stream.next().await {
+                        response.write().push_str(&text);
+                    }
+                }
+            },
+            "Start stream"
+        }
+        "{response}"
+    }
+}
+
+#[server(output = StreamingText)]
+pub async fn test_stream() -> Result<TextStream, ServerFnError> {
+    let (tx, rx) = futures::channel::mpsc::unbounded();
+    tokio::spawn(async move {
+        loop {
+            tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
+            let _ = tx.unbounded_send(Ok("Hello, world!".to_string()));
+        }
+    });
+
+    Ok(TextStream::new(rx))
+}
+
+fn main() {
+    launch(app)
+}