Add dashboard to steve

pkg/responsewriter/middleware.go

@@ -0,0 +1,24 @@
+package responsewriter
+
+import (
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+type MiddlewareChain struct {
+	middleWares []mux.MiddlewareFunc
+}
+
+func NewMiddlewareChain(middleWares ...mux.MiddlewareFunc) *MiddlewareChain {
+	return &MiddlewareChain{middleWares: middleWares}
+}
+
+func (m *MiddlewareChain) Handler(handler http.Handler) http.Handler {
+	rtn := handler
+	for i := len(m.middleWares) - 1; i >= 0; i-- {
+		w := m.middleWares[i]
+		rtn = w.Middleware(rtn)
+	}
+	return rtn
+}