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/effect-fc-example/src/lib/schema/datetime.ts

@@ -0,0 +1,38 @@
+import { DateTime, Effect, Option, ParseResult, Schema } from "effect"
+
+
+export class DateTimeUtcFromZoned extends Schema.transformOrFail(
+    Schema.DateTimeZonedFromSelf,
+    Schema.DateTimeUtcFromSelf,
+    {
+        strict: true,
+        encode: DateTime.setZoneCurrent,
+        decode: i => ParseResult.succeed(DateTime.toUtc(i)),
+    },
+) {}
+
+export class DateTimeZonedFromUtc extends Schema.transformOrFail(
+    Schema.DateTimeUtcFromSelf,
+    Schema.DateTimeZonedFromSelf,
+    {
+        strict: true,
+        encode: a => ParseResult.succeed(DateTime.toUtc(a)),
+        decode: DateTime.setZoneCurrent,
+    },
+) {}
+
+export class DateTimeUtcFromZonedInput extends Schema.transformOrFail(
+    Schema.String,
+    DateTimeUtcFromZoned,
+    {
+        strict: true,
+        encode: a => ParseResult.succeed(DateTime.formatIsoZoned(a).slice(0, 16)),
+        decode: (i, _, ast) => Effect.flatMap(
+            DateTime.CurrentTimeZone,
+            timeZone => Option.match(DateTime.makeZoned(i, { timeZone, adjustForTimeZone: true }), {
+                onSome: ParseResult.succeed,
+                onNone: () => ParseResult.fail(new ParseResult.Type(ast, i, `Unable to decode ${JSON.stringify(i)} into a DateTime.Zoned`)),
+            }),
+        ),
+    },
+) {}