Promote Lane 1 commit-snapshot plugins and add Go CI

[linear-code]

Promote seven high-demand tag-less plugins via commit-snapshot intake and extend CI to build/publish Go artifacts with correct target exclusions.

[linear-code]

NUM-101

[coderabbitai]

🔗 Related PRs

#2 - Promote nu_plugin_desktop_notifications as Batch 1 CI build [merged]
#40 - Promote wave2 Nu 0.114 plugins (5) [merged]
#42 - Mark wave2 plugins PROMOTED after registry publish [merged]
#66 - docs: sync roadmap and backlog with live CI-built plugins [merged]
#90 - docs: update roadmap and backlog with intake reform candidate waves [merged]

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