Dockerfile for 1brc

[radughiorma]

Check List:

• Tests pass (./test.sh <username> shows no differences between expected and actual outputs)
• All formatting changes by the build are committed
• Your launch script is named calculate_average_<username>.sh (make sure to match casing of your GH user name) and is executable
• Output matches that of calculate_average_baseline.sh

• Execution time:
• Execution time of reference implementation:

I don't have a submission for the challenge in this PR but I've made a Dockerfile for anyone wanting to test inside a container.

[gunnarmorling]

Hey, I am going to close this one, as it's not building, and also it would require quite a bit of rework at this point (JDK install is largely automated via evaluate.sh for instance). We also have two Docker-based examples, using go-lang. Thanks a lot for looking into this nevertheless!