chore: add developer-preview.adoc as a separate query and template than ref-release-notes-technology-preview.adoc (RHIDP-6000, RHIDP-6749) [release-1.5]#1145

themr0c merged 1 commit intorelease-1.5redhat-developer/red-hat-developers-documentation-rhdh:release-1.5from

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