added image with c++ #63

Job	Run time
Build epicbox/debian image	37s
Build epicbox-go image	1m 27s
Build epicbox-haskell image	4m 40s
Build epicbox-clojure image	31s
Build epicbox-hyperskill/gcc image	22s
Build epicbox-hyperskill/go image	1m 39s
Build epicbox-hyperskill/gradle image	1m 56s
Build epicbox-hyperskill/gradle-spring image	1m 11s
Build epicbox-hyperskill/java image	54s
Build epicbox-hyperskill/node-javascript image	1m 20s
Build epicbox-hyperskill/node image	2m 51s
Build epicbox-hyperskill/python image	51s
Build epicbox/java11 image	35s
Build epicbox/java17 image	35s
Build epicbox/java7 image	30s
Build epicbox/java8 image	27s
Build epicbox/kotlin image	46s
Build epicbox/php image	26s
Build epicbox/node image	31s
Build epicbox/pmd image	36s
Build epicbox/python 3.10 image	5m 47s
Build epicbox/python 3.11 image	5m 34s
Build epicbox/ruby image	2m 1s
Build epicbox/scala2 image	38s
Build epicbox/scala3 image	42s
Build epicbox/typescript image	36s
Build epicbox-gcc image	53s
Build epicbox/mono image	1m 14s
	40m 10s

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