chore(example): implement OpenID Provider

example/server/internal/user.go

@@ -0,0 +1,16 @@
+package internal
+
+import "golang.org/x/text/language"
+
+type User struct {
+	id                string
+	username          string
+	password          string
+	firstname         string
+	lastname          string
+	email             string
+	emailVerified     bool
+	phone             string
+	phoneVerified     bool
+	preferredLanguage language.Tag
+}