Finalize the Effect View rename and refresh docs, examples, and tooling (#59)

## Summary

- Rename `effect-fc-next` to `effect-view` and update package metadata, internal symbols, imports, and repository references.
- Promote the Effect 4 example to `packages/example` and move the legacy Effect 3 example to `packages/effect-fc-example`.
- Add `effect-view` to the npm publishing workflow.
- Update the Vite Fast Refresh plugin for `effect-view` and rename `effectViewPlugin()` to `effectView()`.
- Upgrade Effect, React, TypeScript, build tooling, and related dependencies.
- Refresh the documentation and homepage.

## Documentation

- Add a dedicated Async guide covering:
  - Suspense fallbacks
  - Hook ordering
  - Memoization
  - Structural prop equality
- Clarify synchronous and asynchronous component behavior.
- Document runner scope and service requirements.
- Explain stable construction of Query, Mutation, and Form instances.
- Expand focused Lens and Form examples, including curried focus helpers.
- Document the optional `@effect/platform-browser` dependency for window-focus query refresh.
- Improve the Forms guide structure and examples.
- Fix responsive homepage headline wrapping and update homepage copy.

## Notable API changes

- Package rename:

  ```diff
  - effect-fc-next
  + effect-view

---------

Co-authored-by: Julien Valverdé <julien.valverde@mailo.com>
Reviewed-on: #59

packages/docs/src/pages/index.module.css

@@ -72,9 +72,15 @@
   letter-spacing: -0.075em;
   line-height: 0.92;
   margin: 0;
+  overflow-wrap: normal;
+  word-break: normal;
 }
 
-.hero h1 span {
+.hero h1 .unbreakable {
+  white-space: nowrap;
+}
+
+.hero h1 .heroAccent {
   background: linear-gradient(105deg, var(--home-teal) 5%, #1a9793 48%, var(--home-amber));
   background-clip: text;
   color: transparent;

packages/docs/src/pages/index.tsx

@@ -100,8 +100,8 @@ export default function Home(): ReactNode {
               Effect View for React 19
             </div>
             <h1>
-              React components,
-              <span> powered by Effect.</span>
+              React <span className={styles.unbreakable}>components,</span>
+              <span className={styles.heroAccent}> powered by Effect.</span>
             </h1>
             <p className={styles.lede}>
               Bring typed services, scoped resources, reactive state, server