Fiddle-frontend - Fix wasm build (#1562)

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> [!IMPORTANT]
> Add Webpack rule in `next.config.mjs` to handle `.wasm` files as
`asset/resource`.
> 
>   - **Webpack Configuration**:
> - Adds a rule in `next.config.mjs` to handle `.wasm` files as
`asset/resource`.
> - Ensures WebAssembly modules are processed correctly during the
build.
> 
> <sup>This description was created by </sup>[<img alt="Ellipsis"
src="https://img.shields.io/badge/Ellipsis-blue?color=175173">](https://www.ellipsis.dev?ref=BoundaryML%2Fbaml&utm_source=github&utm_medium=referral)<sup>
for c3db389. It will automatically
update as commits are pushed.</sup>

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typescript/fiddle-frontend/next.config.mjs

@@ -14,6 +14,11 @@ const nextConfig = {
       topLevelAwait: true,
     }
 
+    config.module.rules.push({
+      test: /\.wasm$/,
+      type: 'asset/resource',
+    })
+
     if (dev) {
       config.devtool = 'eval-source-map'
     }