add ruby custom set 1st iteration
add ruby minesweeper 1st iteration
add js refactors
add js food chain exercise
add python bob exercise
add ruby allergies refactor
add ruby abash refactor
add binary-search refactor
add ruby bob refactor

similar to my js solution
add ruby custom-set refactor
add ruby scale, simple-cipher, simple-ll, 12-days
add ruby triplet, proverb, protein-translation
add ruby palindrome, ocr, pascals-triangle
add ruby kind-garden, largest-series
add ruby solutions refactoring
edit cleanup files