Add Basic Algorithms for Cirq & Update Readme

[born-2learn]

• [x] Grover's Search
• [ ] Bernstein- Vazirani
• [ ] Shor's Algorithm
• [ ] Deutsch-Jozsa Algorithm
• [ ] QKD(Quantum Key Distribution)
• [ ] Quantum Teleportation

[born-2learn]

I will be adding the Grover's Search with Cirq very soon.

[Ak-panchal]

can you please assign this issue to me?

[born-2learn]

Hi @Ak-panchal . You can go ahead with this if you are still interested.