fix: move internal/extras to its own package

Author: lowlighter

@mizu/extras/README.md

@@ -0,0 +1,5 @@
+# 🌊 mizu.js
+
+[![mizu.sh](https://img.shields.io/badge/%F0%9F%8C%8A-mizu.sh-black?labelColor=black)](https://mizu.sh)
+
+<p align="center"><a href="https://mizu.sh"><img src="https://mizu.sh/logo.png" width="300"></a></p>

@mizu/extras/deno.jsonc

@@ -0,0 +1,7 @@
+{
+  "name": "@mizu/extras",
+  "version": "0.9.2",
+  "exports": {
+    "./evaluate": "./evaluate.ts"
+  }
+}

@mizu/internal/extras/evaluate.ts renamed to @mizu/extras/evaluate.ts

@@ -1,6 +1,6 @@
 // Imports
-import type { Nullable, State } from "../engine/mod.ts"
-import { Renderer } from "../engine/mod.ts"
+import type { Nullable, State } from "@mizu/internal/engine"
+import { Renderer } from "@mizu/internal/engine"
 
 /** Default renderer instance. */
 // deno-lint-ignore no-explicit-any

@mizu/internal/extras/evaluate_sandbox.ts renamed to @mizu/extras/evaluate_sandbox.ts

@@ -1,4 +1,4 @@
-import { Renderer } from "../engine/mod.ts"
+import { Renderer } from "@mizu/internal/engine"
 onmessage = async (event) => {
   try {
     const { expression, variables, imports, context } = event.data as { expression: string; variables: Record<PropertyKey, unknown> | null; imports: Record<string, string>; context: "expression" | "function" }

@mizu/internal/extras/evaluate_sandbox_test.ts renamed to @mizu/extras/evaluate_sandbox_test.ts

@@ -4,7 +4,6 @@
   "exports": {
     "./engine": "./engine/mod.ts",
     "./testing": "./testing/mod.ts",
-    "./vdom": "./vdom/mod.ts",
-    "./extras/evaluate": "./extras/evaluate.ts"
+    "./vdom": "./vdom/mod.ts"
   }
 }

@mizu/internal/extras/evaluate_test.ts renamed to @mizu/extras/evaluate_test.ts

@@ -206,6 +206,7 @@
     "@mizu/custom-element",
     "@mizu/eval",
     "@mizu/event",
+    "@mizu/extras",
     "@mizu/for",
     "@mizu/html",
     "@mizu/http",