Design Multi-JJ QComponents (e.g. SQUID Loop, Multi-JJ Arrays, etc.)

[nalanzil]

Please be as descriptive as possible, including: what is expected, why is this feature needed, what is the objective, etc.

What is the feature being requested?

Design new qcomponents which feature multiple Josephson Junctions. Example include SQUID loops and/or multi-JJ array structures.

What are use cases for this feature?

This enables users to create designs with multiple JJs located between charge islands, which is relatively common in the literature.

[priti-ashvin-shah-ibm]

Connected to Issue #5