Add Algorithms module with T and Y PLLs
user
```ruby
module CubeSolver
  module Algorithms
    module PLL
      T = "R U R' U' R' F R2 U' R' U' R U R' F'"
      Y = "U F R U' R' U' R U R' F' R U R' U' R' F R F' U'"
    end
  end
end
```
assistant