Add IBM Qiskit References (TheAlgorithms#2561)

* Added IBM Qiskit References

* space

Co-authored-by: John Law <[email protected]>

Author: abhinand-c

quantum/README.md

@@ -6,3 +6,10 @@ Started at https://github.com/TheAlgorithms/Python/issues/1831
 * Google: https://research.google/teams/applied-science/quantum
 * IBM: https://qiskit.org and https://github.com/Qiskit
 * Rigetti: https://rigetti.com and https://github.com/rigetti
+
+## IBM Qiskit
+- Start using by installing `pip install qiskit`, refer the [docs](https://qiskit.org/documentation/install.html) for more info.
+- Tutorials & References
+  - https://github.com/Qiskit/qiskit-tutorials
+  - https://quantum-computing.ibm.com/docs/iql/first-circuit
+  - https://medium.com/qiskit/how-to-program-a-quantum-computer-982a9329ed02