Minor Features

• [fix] conftest error on coverage. [Oguzhan San]
• [fix] excluded helper function for coverage report.
• [fix] search algo import fixes and tests.
• [feat] Bubble search string search
• [fix] algorithms cython script bundle together. [Oguzhan San]
• [doc] changed to md for README and added hyperlink for algorithms.
• [feat] Quick sort algorithm.