Add link to Jupyter Notebooks in README.rst (#3959)
Add link to Jupyter Notebooks in README.rst (#3959)

This change adds a link to tutorials (Jupyter Notebooks) in the README.rst.

Related to #3182.
quantumlib/Cirq,quantumlib/Cirq,quantumlib/Cirq,balopat/Cirq,quantumlib/Cirq,balopat/Cirq,quantumlib/Cirq,balopat/Cirq