feat. Add SHA-1 hashing algorithm

[tGautot]

Description of Change

Added my own implementation of the SHA-1 Algorithm/Protocol to the hashing directory

Checklist

• Added description of change
• Added file name matches File name guidelines
• Added tests and example, test must pass
• Added documentation so that the program is self-explanatory and educational - Doxygen guidelines
• Relevant documentation/comments is changed or added
• PR title follows semantic commit guidelines
• Search previous suggestions before making a new one, as yours may be a duplicate.
• I acknowledge that all my contributions will be made under the project's license.

[Panquesito7]

Missing an endline.

[Panquesito7]

Suggested change

	#include <algorithm> // Used for std::copy
	#include <array> // Used for std::array
	#include <cassert> // Used for assert
	#include <cstring> // Used for std::memcopy
	#include <iostream> // Used for IO operations
	#include <string> // Used for strings
	#include <vector> // Used for std::vector
	#include <algorithm> /// for std::copy
	#include <array> /// for std::array
	#include <cassert> /// for assert
	#include <cstring> /// for std::memcopy
	#include <iostream> /// for IO operations
	#include <string> /// for strings
	#include <vector> /// for std::vector

[Panquesito7]

Awesome work @tGautot! 🚀 Thank you for your contribution! 😄👍🎉

[aminoxix]

@tGautot: Looks good! : )