Add hello-world for Kotlin

[alpa-coder]

Expected behavior

Create a hello-world for the Kotlin language in subdirectory "<git_root>/helloworld/github"

Steps to produce the behavior

When running, program prints "hello world"

[fundrequest-notifier]

Great, this issue is now funded on FundRequest: https://alpha.fundrequest.io!

37 FND was funded on 2018-01-09
5 FND was funded on 2018-01-11
4 FND was funded on 2018-01-11
3 FND was funded on 2018-01-11
3 FND was funded on 2018-01-12
3 FND was funded on 2018-01-11
3 FND was funded on 2018-01-12
38 FND was funded on 2018-01-18
38 FND was funded on 2018-01-18
38 FND was funded on 2018-01-18
0.5 FND was funded on 2018-01-22
1 FND was funded on 2018-01-22
0.5 FND was funded on 2018-01-22
1 FND was funded on 2018-01-22
38 FND was funded on 2018-01-18

[fundrequest-notifier]

Thank you @davyvanroy for your code contribution. The reward linked to this issue has been transferred to your account.

• Looking for more? Feel free to browse through all funded requests.