Add the controversial gorillize()

Co-authored-by: Roberto Abdelkader Martínez Pérez <robertomartinezp@gmail.com>

internal/server/user/mux/gorillize.go

@@ -0,0 +1,18 @@
+package mux
+
+import (
+	"net/http"
+
+	"github.com/BBVA/kapow/internal/server/model"
+	"github.com/gorilla/mux"
+)
+
+func gorillize(rs []model.Route, f func(*model.Handler) http.Handler) *mux.Router {
+	m := mux.NewRouter()
+
+	for _, r := range rs {
+		m.Handle(r.Pattern, f(nil)).Methods(r.Method)
+	}
+
+	return m
+}