git: openjdk/leyden: premain: Added build/test scripts for new demo: https://helidon.io/docs/v4/se/guides/quickstart

[duke]

Changeset: 194ae8ad
Author:    iklam <ilam3388 at gmail.com>
Date:      2024-04-11 22:19:11 +0000
URL:       https://git.openjdk.org/leyden/commit/194ae8add393083c9b618e818efc5677cc271551

Added build/test scripts for new demo: https://helidon.io/docs/v4/se/guides/quickstart

+ test/hotspot/jtreg/premain/helidon-quickstart-se/.gitignore
+ test/hotspot/jtreg/premain/helidon-quickstart-se/Main.java.diff
+ test/hotspot/jtreg/premain/helidon-quickstart-se/Makefile
+ test/hotspot/jtreg/premain/spring-petclinic/.gitignore
+ test/hotspot/jtreg/runtime/cds/appcds/applications/HelidonQuickStartSE.java