https://www.tektutorialshub.com/angular/angular-http-get-example-using-httpclient/ https://www.tektutorialshub.com/angular/angular-http-post-example/
https://www.tektutorialshub.com/angular/angular-httpclient/ https://www.tektutorialshub.com/angular/angular-pass-url-parameters-query-strings/