added k smallest - Githubissues

Added a new cp program on finding the k smallest element of an array (using priority queues)

[ ] Tested Changes.
[ ] Stakeholder Approval.
[x] My pull request has a descriptive title (not a vague title like "Update index.md").
[x] My pull request targets the master branch of the repository.
[x] My code follows the established code style of the repository.
[ ] I added tests for the changes I made (if applicable).
[ ] I added or uploaded documentations (if applicable).
[x] I tried running the project locally and verified that there are no visible errors.

soham4abc / CP_repository