codify "platform" into resolution logic, server-fn/fullstack overhaul (#4596)

overhaul dioxus fullstack using a new implementation of server_fn

This PR is a complete rewrite of dioxus fullstack designed to improve compatibility with axum and to fix a number of compilation errors based on feature flag unification plumbing through macros.

examples/01-app-demos/ecommerce-site/README.md

@@ -0,0 +1,25 @@
+# Dioxus Example: An e-commerce site using the FakeStoreAPI
+
+This example app is a fullstack web application leveraging the [FakeStoreAPI](https://fakestoreapi.com) and [Tailwind CSS](https://tailwindcss.com/).
+
+![Demo Image](demo.png)
+
+# Development
+
+1. Run the following commands to serve the application:
+
+```bash
+dx serve
+```
+
+Note that in Dioxus 0.7, the Tailwind watcher is initialized automatically if a `tailwind.css` file is find in your app's root.
+
+# Status
+
+This is a work in progress. The following features are currently implemented:
+
+- [x] A homepage with a list of products dynamically fetched from the FakeStoreAPI (rendered using SSR)
+- [x] A product detail page with details about a product (rendered using LiveView)
+- [ ] A cart page
+- [ ] A checkout page
+- [ ] A login page