rem/data_structures_rb: Sample katas for data structures in Ruby

René Maya b1bafd5646 Init data structures		8 gadi atpakaļ
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autotest	b1bafd5646 Init data structures	8 gadi atpakaļ
debride	b1bafd5646 Init data structures	8 gadi atpakaļ
flay	b1bafd5646 Init data structures	8 gadi atpakaļ
flog	b1bafd5646 Init data structures	8 gadi atpakaļ
rake	b1bafd5646 Init data structures	8 gadi atpakaļ
repl	b1bafd5646 Init data structures	8 gadi atpakaļ
zentest	b1bafd5646 Init data structures	8 gadi atpakaļ