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/file-explorer/README.md

@@ -0,0 +1,13 @@
+# File-explorer with Rust and Dioxus
+
+This example shows how a Dioxus App can directly leverage system calls and libraries to bridge native functionality with the WebView renderer.
+
+![example](./src/image.png)
+
+
+## To run this example:
+
+```
+dx serve
+```
+