fix(core): update

ts/index.ts

@@ -8,6 +8,7 @@ export { css, breakpoints, elementBasic };
 export { DomTools } from './domtools.classes.domtools';
 export { TypedRequest } from '@apiglobal/typedrequest';
 export { IWebSetupConstructorOptions } from '@pushrocks/websetup';
+export { rxjs } from '@pushrocks/smartrx';
 
 import * as allPlugins from './domtools.plugins';