add README

Update README.md

Update VQE-qiskit-hydrogen-ionq-sim.ipynb

respond to code review comments

update notebooks

Update samples/azure-quantum/variational-quantum-eigensolver/VQE-qiskit-hydrogen-ionq-sim.ipynb

Co-authored-by: Cassandra Granade <chgranad@microsoft.com>

add in link to qiskit textbook

add pip install, formatting and comments

snake case

add back in missing changes

add in vqe diagram

Apply suggestions from code review

Co-authored-by: Cassandra Granade <chgranad@microsoft.com>

Update README.md

process review comments

final run through

remove pip install cell