• BREAKING CHANGE: removed createRoutes and corresponding types (RouteMap, RouteDefs, and RouteDef). This functionality will be re-introduced in a future "router" package.
• BREAKING CHANGE: removed RouteMap from createHrefBuilder generic type.
• Expose Join type as public API
• Expose HrefBuilderArgs type as public API
• Optimization: compile patterns as needed instead of on instantiation