removed tmp, intelliJ, gradle files

...g-pkg/.gradle/6.7.1/executionHistory/executionHistory.bin

...-pkg/.gradle/6.7.1/executionHistory/executionHistory.lock

...tudy-sorting-pkg/.gradle/6.7.1/fileChanges/last-build.bin

...study-sorting-pkg/.gradle/6.7.1/fileHashes/fileHashes.bin

...tudy-sorting-pkg/.gradle/6.7.1/fileHashes/fileHashes.lock

...ting-pkg/.gradle/6.7.1/fileHashes/resourceHashesCache.bin

case-study-sorting-pkg/.gradle/6.7.1/gc.properties

...y-sorting-pkg/.gradle/6.7.1/javaCompile/classAnalysis.bin

...udy-sorting-pkg/.gradle/6.7.1/javaCompile/jarAnalysis.bin

...dy-sorting-pkg/.gradle/6.7.1/javaCompile/javaCompile.lock

...udy-sorting-pkg/.gradle/6.7.1/javaCompile/taskHistory.bin

...ng-pkg/.gradle/buildOutputCleanup/buildOutputCleanup.lock

...y-sorting-pkg/.gradle/buildOutputCleanup/cache.properties

...dy-sorting-pkg/.gradle/buildOutputCleanup/outputFiles.bin

case-study-sorting-pkg/.gradle/checksums/checksums.lock

case-study-sorting-pkg/.gradle/checksums/sha1-checksums.bin

...udy-sorting-pkg/.gradle/configuration-cache/gc.properties

case-study-sorting-pkg/.gradle/vcs-1/gc.properties

case-study-sorting-pkg/.idea/.gitignore

case-study-sorting-pkg/.idea/codeStyles/Project.xml