Adds awareness of Oracle Cloud Infrastructure to any plugin that referenced
at least two of the major cloud vendors already. Skills updated to include
OCI services. Also updated some of the other cloud references.
Signed-off-by: Avi Miller <me@dje.li>
Add .claude-plugin/plugin.json to all 67 remaining plugins and simplify
marketplace.json entries by removing redundant fields (keywords, strict,
commands, agents, skills, repository) that are now auto-discovered.
Bump marketplace version to 1.5.0.