* CONTRIBUTING.md: Don’t open issues asking to be assigned

This habit makes us slow and chatty so let’s discourage it.

* Update CONTRIBUTION.md

There are many issues asking permission for a pull request, instead a direct pull request for evaluation is of much help.

* Update CONTRIBUTION.md
Co-authored-by: NSombit Bose <sombit.bose15@gmail.com>

I added algorithm for jump search !!

Added Jump Search 

Create double_factorial

error in line 23 i.e a constant value

feat: created bayes_theorem.cpp

feat: added binomial_dist.cpp

Create n_queens_all_solution_optimised.cpp

linear regression using ordinary lease squares

* Create topological_sort_by_kahns_algo.cpp

implementation of topological sorting by kahn's algo

* Update topological_sort_by_kahns_algo

put c system headers before c++ system headers

* Update  topological_sort_by_kahns_algo.cpp

improves syntax (tabs/whitespaces etc)

* Update topological_sort_by_kahns_algo.cpp

removed errors

* Update graph/topological_sort_by_kahns_algo.cpp

improved syntax
Co-authored-by: NChristian Clauss <cclauss@me.com>

* Fix indentation

* Fix include order
Co-authored-by: NChristian Clauss <cclauss@me.com>

* feat: added rabin_karp algorithm for string match

* feat: added rabin_karp algorithm for string match

* feat: added rabin_karp algorithm for string match

* Update rabin_karp.cpp
Co-authored-by: NChristian Clauss <cclauss@me.com>

fix #765: Doubly Linked List algorithm bug

* added poisson_dist.cpp

* https://en.wikipedia.org/wiki/Poisson_distributionCo-authored-by: NChristian Clauss <cclauss@me.com>

feat: add algo to find no of connected components with Union Find Structure