Reformatted go.mod to use correct indentation

main.go

@@ -13,7 +13,7 @@ func main() {
 	}
 
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-        data := map[string]string {
+		data := map[string]string{
 			"Name":        "Filehost at home",
 			"Description": "This is where you'll own your files and share them freely.",
 		}