lot of new functionalities

servers/web/external_routes.go

@@ -0,0 +1,10 @@
+package web
+
+import (
+	"github.com/gorilla/mux"
+)
+
+func (webServer *WebServer) setupExternalRoutes(r *mux.Router) {
+	ext_router := r.PathPrefix("/ext").Subrouter()
+	ext_router.HandleFunc("/st/bp/{bookingid}", webServer.extHandler.SolidarityTransportExternalBookingProposalHTTPHandler())
+}