fix: Vercel deployment (by including WASM files) (#201)

.changeset/lovely-rockets-ring.md

+---
+"create-llama": patch
+---
+
+Fix Vercel deployment

templates/types/streaming/nextjs/next.config.json

 {
   "experimental": {
     "outputFileTracingIncludes": {
-      "/*": ["./cache/**/*"]
+      "/*": ["./cache/**/*"],
+      "/api/**/*": ["./node_modules/**/*.wasm"]
     }
   }
 }