F: add stream large file example

_examples/stream-large-file/.gitignore

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+build
+node_modules
+.wrangler

_examples/stream-large-file/Makefile

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+.PHONY: dev
+dev:
+	wrangler dev
+
+.PHONY: build
+build:
+	go run ../../cmd/workers-assets-gen
+	tinygo build -o ./build/app.wasm -target wasm -no-debug ./...
+
+.PHONY: deploy
+deploy:
+	wrangler deploy

_examples/stream-large-file/README.md

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+# stream-large-file
+
+## Development
+
+### Requirements
+
+This project requires these tools to be installed globally.
+
+* wrangler
+* tinygo
+
+### Commands
+
+```
+make dev     # run dev server
+make build   # build Go Wasm binary
+make deploy # deploy worker
+```

_examples/stream-large-file/go.mod

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+module github.com/syumai/workers/_examples/stream
+
+go 1.21.3
+
+require github.com/syumai/workers v0.0.0
+
+replace github.com/syumai/workers => ../../

_examples/stream-large-file/go.sum

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+github.com/syumai/workers v0.1.0 h1:z5QfQR2X+PCKzom7RodpI5J4D5YF7NT7Qwzb9AM9dgY=
+github.com/syumai/workers v0.1.0/go.mod h1:alXIDhTyeTwSzh0ZgQ3cb9HQPyyYfIejupE4Z3efr14=

_examples/stream-large-file/main.go

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+package main
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/syumai/workers"
+	"github.com/syumai/workers/cloudflare/fetch"
+)
+
+func main() {
+	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		cli := fetch.NewClient().HTTPClient(fetch.RedirectModeFollow)
+		resp, err := cli.Get("http://tyo.download.datapacket.com/1000mb.bin")
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			fmt.Fprintf(w, "err: %v", err)
+			return
+		}
+		defer resp.Body.Close()
+
+		io.Copy(w, resp.Body)
+	})
+	workers.Serve(nil)
+}

_examples/stream-large-file/wrangler.toml

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+name = "stream-large-file"
+main = "./build/worker.mjs"
+compatibility_date = "2023-12-01"
+
+[build]
+command = "make build"