Wrap up file downloading feature

go.mod

@@ -9,38 +9,20 @@ require (
 	github.com/elazarl/goproxy/ext v0.0.0-20190711103511-473e67f1d7d2
 	github.com/go-chi/chi/v5 v5.1.0
 	github.com/google/uuid v1.6.0
+	github.com/valyala/fasthttp v1.55.0
 	github.com/valyala/fastjson v1.6.4
 	golang.org/x/time v0.6.0
 )
 
 require (
-	github.com/Code-Hex/pget v0.2.1 // indirect
-	github.com/Code-Hex/updater v0.0.0-20160712085121-c3f278672520 // indirect
-	github.com/Songmu/prompter v0.5.0 // indirect
-	github.com/VividCortex/ewma v1.1.1 // indirect
 	github.com/anacrolix/missinggo v1.3.0 // indirect
 	github.com/anacrolix/missinggo/v2 v2.7.3 // indirect
 	github.com/andybalholm/brotli v1.1.0 // indirect
-	github.com/antonholmquist/jason v1.0.1-0.20160829104012-962e09b85496 // indirect
-	github.com/asaskevich/govalidator v0.0.0-20161001163130-7b3beb6df3c4 // indirect
 	github.com/bradfitz/iter v0.0.0-20191230175014-e8f45d346db8 // indirect
-	github.com/cheggaaa/pb/v3 v3.0.8 // indirect
-	github.com/fatih/color v1.10.0 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/huandu/xstrings v1.3.2 // indirect
-	github.com/jessevdk/go-flags v1.5.0 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
-	github.com/mattn/go-colorable v0.1.8 // indirect
-	github.com/mattn/go-isatty v0.0.16 // indirect
-	github.com/mattn/go-runewidth v0.0.12 // indirect
-	github.com/mcuadros/go-version v0.0.0-20141206211339-d52711f8d6be // indirect
-	github.com/pkg/errors v0.9.1 // indirect
-	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	github.com/valyala/fasthttp v1.55.0 // indirect
 	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/sync v0.7.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
-	golang.org/x/term v0.22.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 )