added backend and 2 endpoints fetch

backend/go.mod

@@ -0,0 +1,24 @@
+module backend
+
+go 1.24.5
+
+require (
+	github.com/gofiber/fiber v1.14.6
+	github.com/gofiber/fiber/v2 v2.52.9
+)
+
+require (
+	github.com/andybalholm/brotli v1.1.0 // indirect
+	github.com/gofiber/utils v0.0.10 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/gorilla/schema v1.1.0 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.51.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+)