Useful links
Useful links about PF4J:
- https://github.com/pf4j/pf4j-update
- https://github.com/pf4j/pf4j-spring
- https://github.com/pf4j/pf4j-wicket
- https://www.slideshare.net/janhoy/solrs-missing-plugin-ecosystem
- https://issues.apache.org/jira/browse/SOLR-10665
- https://softwareengineering.stackexchange.com/questions/141631/java-web-app-with-plugin-framework-and-ability-to-connect-to-source-for-updates
- https://www.reddit.com/r/java/comments/9z96fb/recommended_way_to_implement_plugin_architecture