Entry point redirection and default routers configuration

Co-authored-by: Julien Salleyron <julien.salleyron@gmail.com>
Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>

pkg/api/testdata/entrypoint-bar.json

@@ -1,4 +1,5 @@
 {
 	"address": ":81",
+	"http": {},
 	"name": "bar"
 }

pkg/api/testdata/entrypoints-many-lastpage.json

@@ -1,22 +1,27 @@
 [
 	{
 		"address": ":14",
+		"http": {},
 		"name": "ep14"
 	},
 	{
 		"address": ":15",
+		"http": {},
 		"name": "ep15"
 	},
 	{
 		"address": ":16",
+		"http": {},
 		"name": "ep16"
 	},
 	{
 		"address": ":17",
+		"http": {},
 		"name": "ep17"
 	},
 	{
 		"address": ":18",
+		"http": {},
 		"name": "ep18"
 	}
 ]

pkg/api/testdata/entrypoints-page2.json

@@ -1,6 +1,7 @@
 [
 	{
 		"address": ":82",
+		"http": {},
 		"name": "web2"
 	}
 ]

pkg/api/testdata/entrypoints.json

@@ -8,6 +8,7 @@
 				"192.168.1.4"
 			]
 		},
+		"http": {},
 		"name": "web",
 		"proxyProtocol": {
 			"insecure": true,
@@ -37,6 +38,7 @@
 				"192.168.1.40"
 			]
 		},
+		"http": {},
 		"name": "websecure",
 		"proxyProtocol": {
 			"insecure": true,