Establish some consistency with extension logging. Some extensions use another format:
display_alert "message" "${EXTENSION}" "info"
These were *not* adapted to this new schema.
* added cloud-init support
* removed compymods, not required for our use case and not available in all distributions
* using space instead of tabs
* added template with typical use-cases and link to docs
* typo
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Co-authored-by: rafael <rvalle@privaz.io>