added image with c++ #61

Job	Run time
Build epicbox/debian image	7s
Build epicbox-haskell image	6s
Build epicbox-go image	6s
Build epicbox-clojure image	6s
Build epicbox-hyperskill/go image	6s
Build epicbox-hyperskill/gradle-spring image	7s
Build epicbox-hyperskill/gradle image	6s
Build epicbox-hyperskill/java image	7s
Build epicbox-hyperskill/node image	1s
Build epicbox-hyperskill/node-javascript image	1s
Build epicbox-hyperskill/python image	1s
Build epicbox/java11 image	1s
Build epicbox/java17 image	1s
Build epicbox/java7 image	1s
Build epicbox/java8 image	1s
Build epicbox/kotlin image	1s
Build epicbox/node image	1s
Build epicbox/php image	1s
Build epicbox/pmd image	1s
Build epicbox/python 3.10 image	1s
Build epicbox/python 3.11 image	1s
Build epicbox/ruby image	1s
Build epicbox/scala2 image	1s
Build epicbox/scala3 image	1s
Build epicbox/typescript image	1s
Build epicbox/mono image	1s
Build epicbox-gcc image	1s
	1m 10s

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