Add root module generator and fixes

What's Changed

• adding PR checklist by @altuner in #85
• Add varnish dashboard by @heydbut in #84
• fluentd dashboard by @altuner in #65
• Add flink dashboard by @heydbut in #70
• dashboard fixes by @altuner in #82
• added otel collector hbase dashboard by @hecomp in #72
• airflow dashboard by @altuner in #62
• [couchdb] fix: display_type should be display by @nslaughter in #80
• [apachereceiver] Fix outputs resource type by @nslaughter in #81
• Generate and lint root module by @nslaughter in #89
• added otel collector hadoop dashboard by @hecomp in #66
• Fix airflow by @nslaughter in #90

New Contributors

• @hecomp made their first contribution in #72

Full Changelog: v1.76.0-20230503...v1.76.0-20230516