Added DC3 Algorithm

algorithm :: dc3 (suffix array)
runtime   :: O (n)
source    :: WJMZBMR
tested    :: yes
Added Compact Version Of Kasai's Algorithm

algorithm :: kasai's algorithm (compact version)
runtime   :: O (n)
source    :: WJMZBMR
tested    :: no
RMQ For Finding Minimum (LCP) In Range

algorithm :: rmq for finding lcp of two prefix
runtime   :: building -> O (n), GetMin -> O (log n)
source    :: WJMZBMR
tested    :: no