created and added an BFS algorithm folder and added the algorithm too

[oxBinaryBrain]

Created the BFS algorithm folder and added a BFS algorithm in it

Write here what you have changed in codebase i have added a breadth first searching algorithm in the issue that has been created and the algorthim is running succesfully with no failed test results

Issue no.(must) - #960

• [x] This issue was assigned to me if not it will marked as spam.
• [x] My file is in proper folder
• [x] I am following clean code and Documentation.My code is well linted and I am using flake8 standard for python
• [x] I have added title and what program will do first in the file

acknowledgment

• [x] I have tested the script and distributed it under an MIT license.