New collection: Kura

[azeey]

• Create gazebodistro file for new collection (example)
  • Add kura collection gazebodistro#225
• Create gz-<collection> and gz-<collection>-release repositories (example source, example release)
  • Add gz-kura gazebosim/gz-kura#1
  • Add gz-kura gazebo-release/gz-kura-release#1
• Create homebrew-simulation formula for new collection (example)
  • gz-kura: Add alias to gz-jetty osrf/homebrew-simulation#3286
• Create collection view on release-tools and build nightlies (example)
  • Add kura collection to gz-collections #1427
• Add docs for new collection (example)
  • Add Gazebo Kura gazebosim/docs#659
• Add new collection label:
  • Add to pr-collection-labeler (example)
    • Add label for Gazebo Kura pr-collection-labeler#113
  • Add to all libraries
    Example script:cat collection-kura.yaml | sed -n "s#.*https://github.com/\(.*\)#\1#p" | xargs -L1 gh label create "🏯 kura" -R