add signed out page

internal/handlers/signedout.go

@@ -0,0 +1,23 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/pomerium/pomerium/internal/httputil"
+	"github.com/pomerium/pomerium/ui"
+)
+
+// SignedOutData is the data for the SignedOut page.
+type SignedOutData struct{}
+
+// ToJSON converts the data into a JSON map.
+func (data SignedOutData) ToJSON() map[string]interface{} {
+	return map[string]interface{}{}
+}
+
+// SignedOut returns a handler that renders the signed out page.
+func SignedOut(data SignedOutData) http.Handler {
+	return httputil.HandlerFunc(func(w http.ResponseWriter, r *http.Request) error {
+		return ui.ServePage(w, r, "SignedOut", data.ToJSON())
+	})
+}