Add sending emails Hurl smoke test

Author: lovasoa

examples/sending emails/test.hurl

@@ -0,0 +1,7 @@
+GET http://127.0.0.1:8080/
+HTTP 200
+[Asserts]
+xpath "string(//form/@action)" == "email.sql"
+xpath "string(//input[@name='to_email']/@value)" == "recipient@example.com"
+xpath "string(//input[@name='subject']/@value)" == "Test email"
+xpath "string(//textarea[@name='message_text'])" == "This is a test email"