Adding Algorithms for the string - search

[Nidu96]

Neither the search nor string doesn't contain the Boyer Moore and Naive string searches. I would like to take this issue.

[jinyoungHan]

I would like to take it up, if no one else is looking into it.

[rohitkathuria102]

I'm up for the task

[xianwu5]

I want to learning

[brunohadlich]

strings folder already contains boyer_moore_search.py and naive_string_search.py. I believe this issue could be closed. What do you think?

[bardia52]

There was one pull request that now is closed due to being duplicated. I think this should be closed. Who can close it?