Add web pub sub and update icons to v14 icon pack#47

BouvetMarius wants to merge 2 commits intoplantuml-stdlib:masterplantuml-stdlib/Azure-PlantUML:masterfrom

BouvetMarius:add_WebPubSub_and_update_iconsBouvetMarius/Azure-PlantUML:add_WebPubSub_and_update_iconsCopy head branch name to clipboard